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Finding the Fourth Proportional to 332,788,660.80, 499,182,991.20 and 160,223,863.20

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Solution

The fourth proportional to 332,788,660.80, 499,182,991.20 and 160,223,863.20 is: 240,335,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,788,660.80 : 499,182,991.20 = 160,223,863.20 : x
  2. Step 2: Convert to fraction form
    332,788,660.80/499,182,991.20 = 160,223,863.20/x
  3. Step 3: Cross multiply
    332,788,660.80x = 499,182,991.20 × 160,223,863.20
  4. Step 4: Simplify right side
    332,788,660.80x = 79,981,027,293,795,600
  5. Step 5: Solve for x
    x = 79,981,027,293,795,600/332,788,660.80
  6. Step 6: Final answer
    x = 240,335,794.80

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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.