Home / 551,123,998.30-826,685,997.45-162,912,252.70

Finding the Fourth Proportional to 551,123,998.30, 826,685,997.45 and 162,912,252.70

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Solution

The fourth proportional to 551,123,998.30, 826,685,997.45 and 162,912,252.70 is: 244,368,379.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,123,998.30 : 826,685,997.45 = 162,912,252.70 : x
  2. Step 2: Convert to fraction form
    551,123,998.30/826,685,997.45 = 162,912,252.70/x
  3. Step 3: Cross multiply
    551,123,998.30x = 826,685,997.45 × 162,912,252.70
  4. Step 4: Simplify right side
    551,123,998.30x = 134,677,278,120,125,952
  5. Step 5: Solve for x
    x = 134,677,278,120,125,952/551,123,998.30
  6. Step 6: Final answer
    x = 244,368,379.05

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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.