Home / 738,568,857.60-1,107,853,286.40-307,691,366.40

Finding the Fourth Proportional to 738,568,857.60, 1,107,853,286.40 and 307,691,366.40

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Solution

The fourth proportional to 738,568,857.60, 1,107,853,286.40 and 307,691,366.40 is: 461,537,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,568,857.60 : 1,107,853,286.40 = 307,691,366.40 : x
  2. Step 2: Convert to fraction form
    738,568,857.60/1,107,853,286.40 = 307,691,366.40/x
  3. Step 3: Cross multiply
    738,568,857.60x = 1,107,853,286.40 × 307,691,366.40
  4. Step 4: Simplify right side
    738,568,857.60x = 340,876,891,463,146,560
  5. Step 5: Solve for x
    x = 340,876,891,463,146,560/738,568,857.60
  6. Step 6: Final answer
    x = 461,537,049.60

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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.