Home / 28,315,966,323,371-39,075,617,665,051-15,815,878,785,975

Finding the Fourth Proportional to 28,315,966,323,371, 39,075,617,665,051 and 15,815,878,785,975

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Solution

The fourth proportional to 28,315,966,323,371, 39,075,617,665,051 and 15,815,878,785,975 is: 21,825,680,445,433.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,315,966,323,371 : 39,075,617,665,051 = 15,815,878,785,975 : x
  2. Step 2: Convert to fraction form
    28,315,966,323,371/39,075,617,665,051 = 15,815,878,785,975/x
  3. Step 3: Cross multiply
    28,315,966,323,371x = 39,075,617,665,051 × 15,815,878,785,975
  4. Step 4: Simplify right side
    28,315,966,323,371x = 618,015,232,477,550,067,503,333,376
  5. Step 5: Solve for x
    x = 618,015,232,477,550,067,503,333,376/28,315,966,323,371
  6. Step 6: Final answer
    x = 21,825,680,445,433.43

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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.