Home / 574,128,001.20-861,192,001.80-506,103,553.20

Finding the Fourth Proportional to 574,128,001.20, 861,192,001.80 and 506,103,553.20

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Solution

The fourth proportional to 574,128,001.20, 861,192,001.80 and 506,103,553.20 is: 759,155,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,128,001.20 : 861,192,001.80 = 506,103,553.20 : x
  2. Step 2: Convert to fraction form
    574,128,001.20/861,192,001.80 = 506,103,553.20/x
  3. Step 3: Cross multiply
    574,128,001.20x = 861,192,001.80 × 506,103,553.20
  4. Step 4: Simplify right side
    574,128,001.20x = 435,852,332,098,400,768
  5. Step 5: Solve for x
    x = 435,852,332,098,400,768/574,128,001.20
  6. Step 6: Final answer
    x = 759,155,329.80

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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.