Home / 381,986,654.82-572,979,267.52-119,691,285.94

Finding the Fourth Proportional to 381,986,654.82, 572,979,267.52 and 119,691,285.94

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Solution

The fourth proportional to 381,986,654.82, 572,979,267.52 and 119,691,285.94 is: 179,536,704.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,986,654.82 : 572,979,267.52 = 119,691,285.94 : x
  2. Step 2: Convert to fraction form
    381,986,654.82/572,979,267.52 = 119,691,285.94/x
  3. Step 3: Cross multiply
    381,986,654.82x = 572,979,267.52 × 119,691,285.94
  4. Step 4: Simplify right side
    381,986,654.82x = 68,580,625,346,428,072
  5. Step 5: Solve for x
    x = 68,580,625,346,428,072/381,986,654.82
  6. Step 6: Final answer
    x = 179,536,704.96

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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.