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Finding the Fourth Proportional to 569,003,843.80, 854,143,494.90 and 440,182,545.40

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Solution

The fourth proportional to 569,003,843.80, 854,143,494.90 and 440,182,545.40 is: 660,767,166.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,003,843.80 : 854,143,494.90 = 440,182,545.40 : x
  2. Step 2: Convert to fraction form
    569,003,843.80/854,143,494.90 = 440,182,545.40/x
  3. Step 3: Cross multiply
    569,003,843.80x = 854,143,494.90 × 440,182,545.40
  4. Step 4: Simplify right side
    569,003,843.80x = 375,979,057,721,933,888
  5. Step 5: Solve for x
    x = 375,979,057,721,933,888/569,003,843.80
  6. Step 6: Final answer
    x = 660,767,166.72

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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.