Home / 621,468,266.80-932,202,400.20-392,452,625.20

Finding the Fourth Proportional to 621,468,266.80, 932,202,400.20 and 392,452,625.20

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Solution

The fourth proportional to 621,468,266.80, 932,202,400.20 and 392,452,625.20 is: 588,678,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,468,266.80 : 932,202,400.20 = 392,452,625.20 : x
  2. Step 2: Convert to fraction form
    621,468,266.80/932,202,400.20 = 392,452,625.20/x
  3. Step 3: Cross multiply
    621,468,266.80x = 932,202,400.20 × 392,452,625.20
  4. Step 4: Simplify right side
    621,468,266.80x = 365,845,279,176,231,040
  5. Step 5: Solve for x
    x = 365,845,279,176,231,040/621,468,266.80
  6. Step 6: Final answer
    x = 588,678,937.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.