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Finding the Fourth Proportional to 8,692,493,998.20, 13,038,740,997.30 and 8,692,493,998.20

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Solution

The fourth proportional to 8,692,493,998.20, 13,038,740,997.30 and 8,692,493,998.20 is: 13,038,740,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692,493,998.20 : 13,038,740,997.30 = 8,692,493,998.20 : x
  2. Step 2: Convert to fraction form
    8,692,493,998.20/13,038,740,997.30 = 8,692,493,998.20/x
  3. Step 3: Cross multiply
    8,692,493,998.20x = 13,038,740,997.30 × 8,692,493,998.20
  4. Step 4: Simplify right side
    8,692,493,998.20x = 113,339,177,863,114,539,008
  5. Step 5: Solve for x
    x = 113,339,177,863,114,539,008/8,692,493,998.20
  6. Step 6: Final answer
    x = 13,038,740,997.30

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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.