Home / 629,857,205.10-944,785,807.65-572,414,337.90

Finding the Fourth Proportional to 629,857,205.10, 944,785,807.65 and 572,414,337.90

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Solution

The fourth proportional to 629,857,205.10, 944,785,807.65 and 572,414,337.90 is: 858,621,506.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,205.10 : 944,785,807.65 = 572,414,337.90 : x
  2. Step 2: Convert to fraction form
    629,857,205.10/944,785,807.65 = 572,414,337.90/x
  3. Step 3: Cross multiply
    629,857,205.10x = 944,785,807.65 × 572,414,337.90
  4. Step 4: Simplify right side
    629,857,205.10x = 540,808,942,543,291,456
  5. Step 5: Solve for x
    x = 540,808,942,543,291,456/629,857,205.10
  6. Step 6: Final answer
    x = 858,621,506.85

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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.