Home / 394,672,918.68-591,805,393.38-173,253,634.20

Finding the Fourth Proportional to 394,672,918.68, 591,805,393.38 and 173,253,634.20

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Solution

The fourth proportional to 394,672,918.68, 591,805,393.38 and 173,253,634.20 is: 259,790,906.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,672,918.68 : 591,805,393.38 = 173,253,634.20 : x
  2. Step 2: Convert to fraction form
    394,672,918.68/591,805,393.38 = 173,253,634.20/x
  3. Step 3: Cross multiply
    394,672,918.68x = 591,805,393.38 × 173,253,634.20
  4. Step 4: Simplify right side
    394,672,918.68x = 102,532,435,142,245,616
  5. Step 5: Solve for x
    x = 102,532,435,142,245,616/394,672,918.68
  6. Step 6: Final answer
    x = 259,790,906.06

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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.