Home / 629,856,801.60-944,785,202.40-542,180,846.40

Finding the Fourth Proportional to 629,856,801.60, 944,785,202.40 and 542,180,846.40

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Solution

The fourth proportional to 629,856,801.60, 944,785,202.40 and 542,180,846.40 is: 813,271,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,801.60 : 944,785,202.40 = 542,180,846.40 : x
  2. Step 2: Convert to fraction form
    629,856,801.60/944,785,202.40 = 542,180,846.40/x
  3. Step 3: Cross multiply
    629,856,801.60x = 944,785,202.40 × 542,180,846.40
  4. Step 4: Simplify right side
    629,856,801.60x = 512,244,440,703,427,264
  5. Step 5: Solve for x
    x = 512,244,440,703,427,264/629,856,801.60
  6. Step 6: Final answer
    x = 813,271,269.60

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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.