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Finding the Fourth Proportional to 567,647,998.40, 851,471,997.60 and 567,647,998.40

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Solution

The fourth proportional to 567,647,998.40, 851,471,997.60 and 567,647,998.40 is: 851,471,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,647,998.40 : 851,471,997.60 = 567,647,998.40 : x
  2. Step 2: Convert to fraction form
    567,647,998.40/851,471,997.60 = 567,647,998.40/x
  3. Step 3: Cross multiply
    567,647,998.40x = 851,471,997.60 × 567,647,998.40
  4. Step 4: Simplify right side
    567,647,998.40x = 483,336,375,131,289,600
  5. Step 5: Solve for x
    x = 483,336,375,131,289,600/567,647,998.40
  6. Step 6: Final answer
    x = 851,471,997.60

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Similar ratio
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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.