Home / 629,857,136.80-944,785,705.20-579,972,541.60

Finding the Fourth Proportional to 629,857,136.80, 944,785,705.20 and 579,972,541.60

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Solution

The fourth proportional to 629,857,136.80, 944,785,705.20 and 579,972,541.60 is: 869,958,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,136.80 : 944,785,705.20 = 579,972,541.60 : x
  2. Step 2: Convert to fraction form
    629,857,136.80/944,785,705.20 = 579,972,541.60/x
  3. Step 3: Cross multiply
    629,857,136.80x = 944,785,705.20 × 579,972,541.60
  4. Step 4: Simplify right side
    629,857,136.80x = 547,949,766,712,192,384
  5. Step 5: Solve for x
    x = 547,949,766,712,192,384/629,857,136.80
  6. Step 6: Final answer
    x = 869,958,812.40

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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.