Home / 18,193,726,145.70-27,290,589,218.55-5,107,522,961.70

Finding the Fourth Proportional to 18,193,726,145.70, 27,290,589,218.55 and 5,107,522,961.70

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Solution

The fourth proportional to 18,193,726,145.70, 27,290,589,218.55 and 5,107,522,961.70 is: 7,661,284,442.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193,726,145.70 : 27,290,589,218.55 = 5,107,522,961.70 : x
  2. Step 2: Convert to fraction form
    18,193,726,145.70/27,290,589,218.55 = 5,107,522,961.70/x
  3. Step 3: Cross multiply
    18,193,726,145.70x = 27,290,589,218.55 × 5,107,522,961.70
  4. Step 4: Simplify right side
    18,193,726,145.70x = 139,387,311,072,066,568,192
  5. Step 5: Solve for x
    x = 139,387,311,072,066,568,192/18,193,726,145.70
  6. Step 6: Final answer
    x = 7,661,284,442.55

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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.