Home / 394,981,439.94-591,957,092.25-220,097,139.30

Finding the Fourth Proportional to 394,981,439.94, 591,957,092.25 and 220,097,139.30

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Solution

The fourth proportional to 394,981,439.94, 591,957,092.25 and 220,097,139.30 is: 329,858,695.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,981,439.94 : 591,957,092.25 = 220,097,139.30 : x
  2. Step 2: Convert to fraction form
    394,981,439.94/591,957,092.25 = 220,097,139.30/x
  3. Step 3: Cross multiply
    394,981,439.94x = 591,957,092.25 × 220,097,139.30
  4. Step 4: Simplify right side
    394,981,439.94x = 130,288,062,592,571,200
  5. Step 5: Solve for x
    x = 130,288,062,592,571,200/394,981,439.94
  6. Step 6: Final answer
    x = 329,858,695.67

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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.