Home / 8,691,205,190.40-13,036,807,785.60-3,170,643,321.60

Finding the Fourth Proportional to 8,691,205,190.40, 13,036,807,785.60 and 3,170,643,321.60

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Solution

The fourth proportional to 8,691,205,190.40, 13,036,807,785.60 and 3,170,643,321.60 is: 4,755,964,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,205,190.40 : 13,036,807,785.60 = 3,170,643,321.60 : x
  2. Step 2: Convert to fraction form
    8,691,205,190.40/13,036,807,785.60 = 3,170,643,321.60/x
  3. Step 3: Cross multiply
    8,691,205,190.40x = 13,036,807,785.60 × 3,170,643,321.60
  4. Step 4: Simplify right side
    8,691,205,190.40x = 41,335,067,540,395,524,096
  5. Step 5: Solve for x
    x = 41,335,067,540,395,524,096/8,691,205,190.40
  6. Step 6: Final answer
    x = 4,755,964,982.40

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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.