Home / 14,373,505,791.60-21,560,258,687.40-8,786,431,129.20

Finding the Fourth Proportional to 14,373,505,791.60, 21,560,258,687.40 and 8,786,431,129.20

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Solution

The fourth proportional to 14,373,505,791.60, 21,560,258,687.40 and 8,786,431,129.20 is: 13,179,646,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,373,505,791.60 : 21,560,258,687.40 = 8,786,431,129.20 : x
  2. Step 2: Convert to fraction form
    14,373,505,791.60/21,560,258,687.40 = 8,786,431,129.20/x
  3. Step 3: Cross multiply
    14,373,505,791.60x = 21,560,258,687.40 × 8,786,431,129.20
  4. Step 4: Simplify right side
    14,373,505,791.60x = 189,437,728,084,576,108,544
  5. Step 5: Solve for x
    x = 189,437,728,084,576,108,544/14,373,505,791.60
  6. Step 6: Final answer
    x = 13,179,646,693.80

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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.