Home / 531,904,909.20-797,857,363.80-168,399,265.20

Finding the Fourth Proportional to 531,904,909.20, 797,857,363.80 and 168,399,265.20

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Solution

The fourth proportional to 531,904,909.20, 797,857,363.80 and 168,399,265.20 is: 252,598,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,904,909.20 : 797,857,363.80 = 168,399,265.20 : x
  2. Step 2: Convert to fraction form
    531,904,909.20/797,857,363.80 = 168,399,265.20/x
  3. Step 3: Cross multiply
    531,904,909.20x = 797,857,363.80 × 168,399,265.20
  4. Step 4: Simplify right side
    531,904,909.20x = 134,358,593,798,329,056
  5. Step 5: Solve for x
    x = 134,358,593,798,329,056/531,904,909.20
  6. Step 6: Final answer
    x = 252,598,897.80

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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.