Home / 396,522,405.47-547,215,687.31-237,778,373.48

Finding the Fourth Proportional to 396,522,405.47, 547,215,687.31 and 237,778,373.48

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Solution

The fourth proportional to 396,522,405.47, 547,215,687.31 and 237,778,373.48 is: 328,143,011.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,522,405.47 : 547,215,687.31 = 237,778,373.48 : x
  2. Step 2: Convert to fraction form
    396,522,405.47/547,215,687.31 = 237,778,373.48/x
  3. Step 3: Cross multiply
    396,522,405.47x = 547,215,687.31 × 237,778,373.48
  4. Step 4: Simplify right side
    396,522,405.47x = 130,116,056,067,387,088
  5. Step 5: Solve for x
    x = 130,116,056,067,387,088/396,522,405.47
  6. Step 6: Final answer
    x = 328,143,011.02

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