Home / 479,040,186.30-718,451,862.56-220,006,385.34

Finding the Fourth Proportional to 479,040,186.30, 718,451,862.56 and 220,006,385.34

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Solution

The fourth proportional to 479,040,186.30, 718,451,862.56 and 220,006,385.34 is: 329,959,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,040,186.30 : 718,451,862.56 = 220,006,385.34 : x
  2. Step 2: Convert to fraction form
    479,040,186.30/718,451,862.56 = 220,006,385.34/x
  3. Step 3: Cross multiply
    479,040,186.30x = 718,451,862.56 × 220,006,385.34
  4. Step 4: Simplify right side
    479,040,186.30x = 158,063,997,322,616,064
  5. Step 5: Solve for x
    x = 158,063,997,322,616,064/479,040,186.30
  6. Step 6: Final answer
    x = 329,959,785.93

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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.