Home / 664,469,364.30-996,704,046.45-392,371,572.30

Finding the Fourth Proportional to 664,469,364.30, 996,704,046.45 and 392,371,572.30

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Solution

The fourth proportional to 664,469,364.30, 996,704,046.45 and 392,371,572.30 is: 588,557,358.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,469,364.30 : 996,704,046.45 = 392,371,572.30 : x
  2. Step 2: Convert to fraction form
    664,469,364.30/996,704,046.45 = 392,371,572.30/x
  3. Step 3: Cross multiply
    664,469,364.30x = 996,704,046.45 × 392,371,572.30
  4. Step 4: Simplify right side
    664,469,364.30x = 391,078,333,823,358,784
  5. Step 5: Solve for x
    x = 391,078,333,823,358,784/664,469,364.30
  6. Step 6: Final answer
    x = 588,557,358.45

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Double scale
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Similar ratio
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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.