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Finding the Fourth Proportional to 284,453,732.67, 426,680,763.83 and 79,981,807.92

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Solution

The fourth proportional to 284,453,732.67, 426,680,763.83 and 79,981,807.92 is: 119,972,758.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,453,732.67 : 426,680,763.83 = 79,981,807.92 : x
  2. Step 2: Convert to fraction form
    284,453,732.67/426,680,763.83 = 79,981,807.92/x
  3. Step 3: Cross multiply
    284,453,732.67x = 426,680,763.83 × 79,981,807.92
  4. Step 4: Simplify right side
    284,453,732.67x = 34,126,698,895,809,944
  5. Step 5: Solve for x
    x = 34,126,698,895,809,944/284,453,732.67
  6. Step 6: Final answer
    x = 119,972,758.22

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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.