Home / 482,979,286.20-724,468,929.30-347,938,159.80

Finding the Fourth Proportional to 482,979,286.20, 724,468,929.30 and 347,938,159.80

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Solution

The fourth proportional to 482,979,286.20, 724,468,929.30 and 347,938,159.80 is: 521,907,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,979,286.20 : 724,468,929.30 = 347,938,159.80 : x
  2. Step 2: Convert to fraction form
    482,979,286.20/724,468,929.30 = 347,938,159.80/x
  3. Step 3: Cross multiply
    482,979,286.20x = 724,468,929.30 × 347,938,159.80
  4. Step 4: Simplify right side
    482,979,286.20x = 252,070,386,092,918,304
  5. Step 5: Solve for x
    x = 252,070,386,092,918,304/482,979,286.20
  6. Step 6: Final answer
    x = 521,907,239.70

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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.