Home / 479,040,188.42-718,451,865.74-220,006,387.46

Finding the Fourth Proportional to 479,040,188.42, 718,451,865.74 and 220,006,387.46

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Solution

The fourth proportional to 479,040,188.42, 718,451,865.74 and 220,006,387.46 is: 329,959,789.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,040,188.42 : 718,451,865.74 = 220,006,387.46 : x
  2. Step 2: Convert to fraction form
    479,040,188.42/718,451,865.74 = 220,006,387.46/x
  3. Step 3: Cross multiply
    479,040,188.42x = 718,451,865.74 × 220,006,387.46
  4. Step 4: Simplify right side
    479,040,188.42x = 158,063,999,545,354,336
  5. Step 5: Solve for x
    x = 158,063,999,545,354,336/479,040,188.42
  6. Step 6: Final answer
    x = 329,959,789.11

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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.