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Finding the Fourth Proportional to 569,757,854.40, 854,636,781.60 and 563,711,236.80

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Solution

The fourth proportional to 569,757,854.40, 854,636,781.60 and 563,711,236.80 is: 845,566,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,757,854.40 : 854,636,781.60 = 563,711,236.80 : x
  2. Step 2: Convert to fraction form
    569,757,854.40/854,636,781.60 = 563,711,236.80/x
  3. Step 3: Cross multiply
    569,757,854.40x = 854,636,781.60 × 563,711,236.80
  4. Step 4: Simplify right side
    569,757,854.40x = 481,768,357,170,507,456
  5. Step 5: Solve for x
    x = 481,768,357,170,507,456/569,757,854.40
  6. Step 6: Final answer
    x = 845,566,855.20

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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.