Home / 442,857,002.70-664,282,004.85-115,331,882.70

Finding the Fourth Proportional to 442,857,002.70, 664,282,004.85 and 115,331,882.70

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Solution

The fourth proportional to 442,857,002.70, 664,282,004.85 and 115,331,882.70 is: 172,996,912.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,857,002.70 : 664,282,004.85 = 115,331,882.70 : x
  2. Step 2: Convert to fraction form
    442,857,002.70/664,282,004.85 = 115,331,882.70/x
  3. Step 3: Cross multiply
    442,857,002.70x = 664,282,004.85 × 115,331,882.70
  4. Step 4: Simplify right side
    442,857,002.70x = 76,612,894,263,081,040
  5. Step 5: Solve for x
    x = 76,612,894,263,081,040/442,857,002.70
  6. Step 6: Final answer
    x = 172,996,912.76

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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.