Home / 396,522,403.91-547,215,685.14-237,778,371.91

Finding the Fourth Proportional to 396,522,403.91, 547,215,685.14 and 237,778,371.91

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Solution

The fourth proportional to 396,522,403.91, 547,215,685.14 and 237,778,371.91 is: 328,143,008.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,522,403.91 : 547,215,685.14 = 237,778,371.91 : x
  2. Step 2: Convert to fraction form
    396,522,403.91/547,215,685.14 = 237,778,371.91/x
  3. Step 3: Cross multiply
    396,522,403.91x = 547,215,685.14 × 237,778,371.91
  4. Step 4: Simplify right side
    396,522,403.91x = 130,116,054,696,204,368
  5. Step 5: Solve for x
    x = 130,116,054,696,204,368/396,522,403.91
  6. Step 6: Final answer
    x = 328,143,008.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.