Home / 725,691,070.71-1,001,530,519.38-443,598,635.52

Finding the Fourth Proportional to 725,691,070.71, 1,001,530,519.38 and 443,598,635.52

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Solution

The fourth proportional to 725,691,070.71, 1,001,530,519.38 and 443,598,635.52 is: 612,213,088.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,691,070.71 : 1,001,530,519.38 = 443,598,635.52 : x
  2. Step 2: Convert to fraction form
    725,691,070.71/1,001,530,519.38 = 443,598,635.52/x
  3. Step 3: Cross multiply
    725,691,070.71x = 1,001,530,519.38 × 443,598,635.52
  4. Step 4: Simplify right side
    725,691,070.71x = 444,277,571,828,604,864
  5. Step 5: Solve for x
    x = 444,277,571,828,604,864/725,691,070.71
  6. Step 6: Final answer
    x = 612,213,088.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.