Home / 321,840,209.80-482,760,314.70-231,812,792.20

Finding the Fourth Proportional to 321,840,209.80, 482,760,314.70 and 231,812,792.20

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Solution

The fourth proportional to 321,840,209.80, 482,760,314.70 and 231,812,792.20 is: 347,719,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,840,209.80 : 482,760,314.70 = 231,812,792.20 : x
  2. Step 2: Convert to fraction form
    321,840,209.80/482,760,314.70 = 231,812,792.20/x
  3. Step 3: Cross multiply
    321,840,209.80x = 482,760,314.70 × 231,812,792.20
  4. Step 4: Simplify right side
    321,840,209.80x = 111,910,016,513,957,696
  5. Step 5: Solve for x
    x = 111,910,016,513,957,696/321,840,209.80
  6. Step 6: Final answer
    x = 347,719,188.30

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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.