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Finding the Fourth Proportional to 327,410,132.40, 491,115,198.60 and 327,410,132.40

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Solution

The fourth proportional to 327,410,132.40, 491,115,198.60 and 327,410,132.40 is: 491,115,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,410,132.40 : 491,115,198.60 = 327,410,132.40 : x
  2. Step 2: Convert to fraction form
    327,410,132.40/491,115,198.60 = 327,410,132.40/x
  3. Step 3: Cross multiply
    327,410,132.40x = 491,115,198.60 × 327,410,132.40
  4. Step 4: Simplify right side
    327,410,132.40x = 160,796,092,197,278,304
  5. Step 5: Solve for x
    x = 160,796,092,197,278,304/327,410,132.40
  6. Step 6: Final answer
    x = 491,115,198.60

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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.