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Finding the Fourth Proportional to 498,329,809.70, 747,494,714.55 and 239,482,613.30

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Solution

The fourth proportional to 498,329,809.70, 747,494,714.55 and 239,482,613.30 is: 359,223,919.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,329,809.70 : 747,494,714.55 = 239,482,613.30 : x
  2. Step 2: Convert to fraction form
    498,329,809.70/747,494,714.55 = 239,482,613.30/x
  3. Step 3: Cross multiply
    498,329,809.70x = 747,494,714.55 × 239,482,613.30
  4. Step 4: Simplify right side
    498,329,809.70x = 179,011,987,668,371,520
  5. Step 5: Solve for x
    x = 179,011,987,668,371,520/498,329,809.70
  6. Step 6: Final answer
    x = 359,223,919.95

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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.