Home / 28,315,966,323,370-39,075,617,665,052-15,815,878,785,974

Finding the Fourth Proportional to 28,315,966,323,370, 39,075,617,665,052 and 15,815,878,785,974

Calculator

Solution

The fourth proportional to 28,315,966,323,370, 39,075,617,665,052 and 15,815,878,785,974 is: 21,825,680,445,433.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,315,966,323,370 : 39,075,617,665,052 = 15,815,878,785,974 : x
  2. Step 2: Convert to fraction form
    28,315,966,323,370/39,075,617,665,052 = 15,815,878,785,974/x
  3. Step 3: Cross multiply
    28,315,966,323,370x = 39,075,617,665,052 × 15,815,878,785,974
  4. Step 4: Simplify right side
    28,315,966,323,370x = 618,015,232,477,526,840,320,196,608
  5. Step 5: Solve for x
    x = 618,015,232,477,526,840,320,196,608/28,315,966,323,370
  6. Step 6: Final answer
    x = 21,825,680,445,433.38

Related Problems

Find fourth proportional to 14,157,983,161,685, 19,537,808,832,526 and 7,907,939,392,987
Half scale
Find fourth proportional to 56,631,932,646,740, 78,151,235,330,104 and 31,631,757,571,948
Double scale
Find fourth proportional to 28,315,966,323,371, 39,075,617,665,053.38 and 15,815,878,785,975
Similar ratio
Find fourth proportional to 42,473,949,485,055, 58,613,426,497,578 and 23,723,818,178,961
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.