Home / 629,857,307.60-944,785,961.40-432,586,408.40

Finding the Fourth Proportional to 629,857,307.60, 944,785,961.40 and 432,586,408.40

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Solution

The fourth proportional to 629,857,307.60, 944,785,961.40 and 432,586,408.40 is: 648,879,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,307.60 : 944,785,961.40 = 432,586,408.40 : x
  2. Step 2: Convert to fraction form
    629,857,307.60/944,785,961.40 = 432,586,408.40/x
  3. Step 3: Cross multiply
    629,857,307.60x = 944,785,961.40 × 432,586,408.40
  4. Step 4: Simplify right side
    629,857,307.60x = 408,701,565,748,766,976
  5. Step 5: Solve for x
    x = 408,701,565,748,766,976/629,857,307.60
  6. Step 6: Final answer
    x = 648,879,612.60

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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.