Home / 394,672,913.43-591,805,385.51-173,253,628.95

Finding the Fourth Proportional to 394,672,913.43, 591,805,385.51 and 173,253,628.95

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Solution

The fourth proportional to 394,672,913.43, 591,805,385.51 and 173,253,628.95 is: 259,790,898.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,672,913.43 : 591,805,385.51 = 173,253,628.95 : x
  2. Step 2: Convert to fraction form
    394,672,913.43/591,805,385.51 = 173,253,628.95/x
  3. Step 3: Cross multiply
    394,672,913.43x = 591,805,385.51 × 173,253,628.95
  4. Step 4: Simplify right side
    394,672,913.43x = 102,532,430,670,894,976
  5. Step 5: Solve for x
    x = 102,532,430,670,894,976/394,672,913.43
  6. Step 6: Final answer
    x = 259,790,898.19

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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.