Home / 18,394,599,921.60-27,591,502,807.44-5,129,504,861.52

Finding the Fourth Proportional to 18,394,599,921.60, 27,591,502,807.44 and 5,129,504,861.52

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Solution

The fourth proportional to 18,394,599,921.60, 27,591,502,807.44 and 5,129,504,861.52 is: 7,694,146,564.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394,599,921.60 : 27,591,502,807.44 = 5,129,504,861.52 : x
  2. Step 2: Convert to fraction form
    18,394,599,921.60/27,591,502,807.44 = 5,129,504,861.52/x
  3. Step 3: Cross multiply
    18,394,599,921.60x = 27,591,502,807.44 × 5,129,504,861.52
  4. Step 4: Simplify right side
    18,394,599,921.60x = 141,530,747,787,406,213,120
  5. Step 5: Solve for x
    x = 141,530,747,787,406,213,120/18,394,599,921.60
  6. Step 6: Final answer
    x = 7,694,146,564.24

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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.