Home / 498,204,514.80-747,306,772.20-221,855,194.80

Finding the Fourth Proportional to 498,204,514.80, 747,306,772.20 and 221,855,194.80

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Solution

The fourth proportional to 498,204,514.80, 747,306,772.20 and 221,855,194.80 is: 332,782,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,204,514.80 : 747,306,772.20 = 221,855,194.80 : x
  2. Step 2: Convert to fraction form
    498,204,514.80/747,306,772.20 = 221,855,194.80/x
  3. Step 3: Cross multiply
    498,204,514.80x = 747,306,772.20 × 221,855,194.80
  4. Step 4: Simplify right side
    498,204,514.80x = 165,793,889,521,790,240
  5. Step 5: Solve for x
    x = 165,793,889,521,790,240/498,204,514.80
  6. Step 6: Final answer
    x = 332,782,792.20

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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.