Home / 629,856,590.40-944,784,885.60-576,287,337.60

Finding the Fourth Proportional to 629,856,590.40, 944,784,885.60 and 576,287,337.60

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Solution

The fourth proportional to 629,856,590.40, 944,784,885.60 and 576,287,337.60 is: 864,431,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,590.40 : 944,784,885.60 = 576,287,337.60 : x
  2. Step 2: Convert to fraction form
    629,856,590.40/944,784,885.60 = 576,287,337.60/x
  3. Step 3: Cross multiply
    629,856,590.40x = 944,784,885.60 × 576,287,337.60
  4. Step 4: Simplify right side
    629,856,590.40x = 544,467,566,327,144,640
  5. Step 5: Solve for x
    x = 544,467,566,327,144,640/629,856,590.40
  6. Step 6: Final answer
    x = 864,431,006.40

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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.