Home / 629,859,200.70-944,788,801.05-499,762,443.90

Finding the Fourth Proportional to 629,859,200.70, 944,788,801.05 and 499,762,443.90

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Solution

The fourth proportional to 629,859,200.70, 944,788,801.05 and 499,762,443.90 is: 749,643,665.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,859,200.70 : 944,788,801.05 = 499,762,443.90 : x
  2. Step 2: Convert to fraction form
    629,859,200.70/944,788,801.05 = 499,762,443.90/x
  3. Step 3: Cross multiply
    629,859,200.70x = 944,788,801.05 × 499,762,443.90
  4. Step 4: Simplify right side
    629,859,200.70x = 472,169,960,182,098,816
  5. Step 5: Solve for x
    x = 472,169,960,182,098,816/629,859,200.70
  6. Step 6: Final answer
    x = 749,643,665.85

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Double scale
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Similar ratio
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1.5x scale

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.