Home / 551,925,761.72-827,790,344.22-219,904,945.31

Finding the Fourth Proportional to 551,925,761.72, 827,790,344.22 and 219,904,945.31

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Solution

The fourth proportional to 551,925,761.72, 827,790,344.22 and 219,904,945.31 is: 329,818,252.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,925,761.72 : 827,790,344.22 = 219,904,945.31 : x
  2. Step 2: Convert to fraction form
    551,925,761.72/827,790,344.22 = 219,904,945.31/x
  3. Step 3: Cross multiply
    551,925,761.72x = 827,790,344.22 × 219,904,945.31
  4. Step 4: Simplify right side
    551,925,761.72x = 182,035,190,369,369,568
  5. Step 5: Solve for x
    x = 182,035,190,369,369,568/551,925,761.72
  6. Step 6: Final answer
    x = 329,818,252.74

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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.