Home / 396,522,405.29-547,215,687.05-237,778,373.29

Finding the Fourth Proportional to 396,522,405.29, 547,215,687.05 and 237,778,373.29

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Solution

The fourth proportional to 396,522,405.29, 547,215,687.05 and 237,778,373.29 is: 328,143,010.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,522,405.29 : 547,215,687.05 = 237,778,373.29 : x
  2. Step 2: Convert to fraction form
    396,522,405.29/547,215,687.05 = 237,778,373.29/x
  3. Step 3: Cross multiply
    396,522,405.29x = 547,215,687.05 × 237,778,373.29
  4. Step 4: Simplify right side
    396,522,405.29x = 130,116,055,902,961,776
  5. Step 5: Solve for x
    x = 130,116,055,902,961,776/396,522,405.29
  6. Step 6: Final answer
    x = 328,143,010.76

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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.