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Finding the Fourth Proportional to 572,543,998.10, 858,815,997.15 and 533,996,810.90

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Solution

The fourth proportional to 572,543,998.10, 858,815,997.15 and 533,996,810.90 is: 800,995,216.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,543,998.10 : 858,815,997.15 = 533,996,810.90 : x
  2. Step 2: Convert to fraction form
    572,543,998.10/858,815,997.15 = 533,996,810.90/x
  3. Step 3: Cross multiply
    572,543,998.10x = 858,815,997.15 × 533,996,810.90
  4. Step 4: Simplify right side
    572,543,998.10x = 458,605,003,628,003,456
  5. Step 5: Solve for x
    x = 458,605,003,628,003,456/572,543,998.10
  6. Step 6: Final answer
    x = 800,995,216.35

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Double scale
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Similar ratio
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1.5x scale

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.