Home / 396,522,405.36-547,215,687.15-237,778,373.37

Finding the Fourth Proportional to 396,522,405.36, 547,215,687.15 and 237,778,373.37

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Solution

The fourth proportional to 396,522,405.36, 547,215,687.15 and 237,778,373.37 is: 328,143,010.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,522,405.36 : 547,215,687.15 = 237,778,373.37 : x
  2. Step 2: Convert to fraction form
    396,522,405.36/547,215,687.15 = 237,778,373.37/x
  3. Step 3: Cross multiply
    396,522,405.36x = 547,215,687.15 × 237,778,373.37
  4. Step 4: Simplify right side
    396,522,405.36x = 130,116,055,970,337,728
  5. Step 5: Solve for x
    x = 130,116,055,970,337,728/396,522,405.36
  6. Step 6: Final answer
    x = 328,143,010.87

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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.