Home / 629,856,803.40-944,785,205.10-569,390,627.40

Finding the Fourth Proportional to 629,856,803.40, 944,785,205.10 and 569,390,627.40

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Solution

The fourth proportional to 629,856,803.40, 944,785,205.10 and 569,390,627.40 is: 854,085,941.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,803.40 : 944,785,205.10 = 569,390,627.40 : x
  2. Step 2: Convert to fraction form
    629,856,803.40/944,785,205.10 = 569,390,627.40/x
  3. Step 3: Cross multiply
    629,856,803.40x = 944,785,205.10 × 569,390,627.40
  4. Step 4: Simplify right side
    629,856,803.40x = 537,951,840,690,126,656
  5. Step 5: Solve for x
    x = 537,951,840,690,126,656/629,856,803.40
  6. Step 6: Final answer
    x = 854,085,941.10

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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.