Home / 779,637,837.47-1,075,900,215.71-449,612,976.47

Finding the Fourth Proportional to 779,637,837.47, 1,075,900,215.71 and 449,612,976.47

Calculator

Solution

The fourth proportional to 779,637,837.47, 1,075,900,215.71 and 449,612,976.47 is: 620,465,907.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,637,837.47 : 1,075,900,215.71 = 449,612,976.47 : x
  2. Step 2: Convert to fraction form
    779,637,837.47/1,075,900,215.71 = 449,612,976.47/x
  3. Step 3: Cross multiply
    779,637,837.47x = 1,075,900,215.71 × 449,612,976.47
  4. Step 4: Simplify right side
    779,637,837.47x = 483,738,698,362,460,544
  5. Step 5: Solve for x
    x = 483,738,698,362,460,544/779,637,837.47
  6. Step 6: Final answer
    x = 620,465,907.52

Related Problems

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.