Home / 343,898,414.89-515,370,375.31-156,694,857.62

Finding the Fourth Proportional to 343,898,414.89, 515,370,375.31 and 156,694,857.62

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Solution

The fourth proportional to 343,898,414.89, 515,370,375.31 and 156,694,857.62 is: 234,824,832.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,898,414.89 : 515,370,375.31 = 156,694,857.62 : x
  2. Step 2: Convert to fraction form
    343,898,414.89/515,370,375.31 = 156,694,857.62/x
  3. Step 3: Cross multiply
    343,898,414.89x = 515,370,375.31 × 156,694,857.62
  4. Step 4: Simplify right side
    343,898,414.89x = 80,755,887,578,756,800
  5. Step 5: Solve for x
    x = 80,755,887,578,756,800/343,898,414.89
  6. Step 6: Final answer
    x = 234,824,832.22

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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.