Home / 18,145,398,889.70-27,218,098,334.55-15,046,034,977.70

Finding the Fourth Proportional to 18,145,398,889.70, 27,218,098,334.55 and 15,046,034,977.70

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Solution

The fourth proportional to 18,145,398,889.70, 27,218,098,334.55 and 15,046,034,977.70 is: 22,569,052,466.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,398,889.70 : 27,218,098,334.55 = 15,046,034,977.70 : x
  2. Step 2: Convert to fraction form
    18,145,398,889.70/27,218,098,334.55 = 15,046,034,977.70/x
  3. Step 3: Cross multiply
    18,145,398,889.70x = 27,218,098,334.55 × 15,046,034,977.70
  4. Step 4: Simplify right side
    18,145,398,889.70x = 409,524,459,568,117,448,704
  5. Step 5: Solve for x
    x = 409,524,459,568,117,448,704/18,145,398,889.70
  6. Step 6: Final answer
    x = 22,569,052,466.55

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Double scale
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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.