Home / 629,857,115.80-944,785,673.70-579,972,520.60

Finding the Fourth Proportional to 629,857,115.80, 944,785,673.70 and 579,972,520.60

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Solution

The fourth proportional to 629,857,115.80, 944,785,673.70 and 579,972,520.60 is: 869,958,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,115.80 : 944,785,673.70 = 579,972,520.60 : x
  2. Step 2: Convert to fraction form
    629,857,115.80/944,785,673.70 = 579,972,520.60/x
  3. Step 3: Cross multiply
    629,857,115.80x = 944,785,673.70 × 579,972,520.60
  4. Step 4: Simplify right side
    629,857,115.80x = 547,949,728,602,558,208
  5. Step 5: Solve for x
    x = 547,949,728,602,558,208/629,857,115.80
  6. Step 6: Final answer
    x = 869,958,780.90

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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.