Home / 396,981,718.80-595,472,578.20-379,125,301.20

Finding the Fourth Proportional to 396,981,718.80, 595,472,578.20 and 379,125,301.20

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Solution

The fourth proportional to 396,981,718.80, 595,472,578.20 and 379,125,301.20 is: 568,687,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,981,718.80 : 595,472,578.20 = 379,125,301.20 : x
  2. Step 2: Convert to fraction form
    396,981,718.80/595,472,578.20 = 379,125,301.20/x
  3. Step 3: Cross multiply
    396,981,718.80x = 595,472,578.20 × 379,125,301.20
  4. Step 4: Simplify right side
    396,981,718.80x = 225,758,720,566,415,552
  5. Step 5: Solve for x
    x = 225,758,720,566,415,552/396,981,718.80
  6. Step 6: Final answer
    x = 568,687,951.80

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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.