Home / 423,998,118-635,997,324.42-132,887,827.80

Finding the Fourth Proportional to 423,998,118, 635,997,324.42 and 132,887,827.80

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Solution

The fourth proportional to 423,998,118, 635,997,324.42 and 132,887,827.80 is: 199,331,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,998,118 : 635,997,324.42 = 132,887,827.80 : x
  2. Step 2: Convert to fraction form
    423,998,118/635,997,324.42 = 132,887,827.80/x
  3. Step 3: Cross multiply
    423,998,118x = 635,997,324.42 × 132,887,827.80
  4. Step 4: Simplify right side
    423,998,118x = 84,516,302,928,785,680
  5. Step 5: Solve for x
    x = 84,516,302,928,785,680/423,998,118
  6. Step 6: Final answer
    x = 199,331,787.90

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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.