Home / 460,770,175.20-691,647,098.20-198,584,117.70

Finding the Fourth Proportional to 460,770,175.20, 691,647,098.20 and 198,584,117.70

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Solution

The fourth proportional to 460,770,175.20, 691,647,098.20 and 198,584,117.70 is: 298,088,149.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,770,175.20 : 691,647,098.20 = 198,584,117.70 : x
  2. Step 2: Convert to fraction form
    460,770,175.20/691,647,098.20 = 198,584,117.70/x
  3. Step 3: Cross multiply
    460,770,175.20x = 691,647,098.20 × 198,584,117.70
  4. Step 4: Simplify right side
    460,770,175.20x = 137,350,128,752,722,112
  5. Step 5: Solve for x
    x = 137,350,128,752,722,112/460,770,175.20
  6. Step 6: Final answer
    x = 298,088,149.24

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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.