Home / 479,317,399.20-718,976,098.80-275,244,055.20

Finding the Fourth Proportional to 479,317,399.20, 718,976,098.80 and 275,244,055.20

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Solution

The fourth proportional to 479,317,399.20, 718,976,098.80 and 275,244,055.20 is: 412,866,082.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,317,399.20 : 718,976,098.80 = 275,244,055.20 : x
  2. Step 2: Convert to fraction form
    479,317,399.20/718,976,098.80 = 275,244,055.20/x
  3. Step 3: Cross multiply
    479,317,399.20x = 718,976,098.80 × 275,244,055.20
  4. Step 4: Simplify right side
    479,317,399.20x = 197,893,897,025,587,840
  5. Step 5: Solve for x
    x = 197,893,897,025,587,840/479,317,399.20
  6. Step 6: Final answer
    x = 412,866,082.80

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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.