Home / 1,861,108,331.28-2,568,321,736.20-1,025,730,908.16

Finding the Fourth Proportional to 1,861,108,331.28, 2,568,321,736.20 and 1,025,730,908.16

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Solution

The fourth proportional to 1,861,108,331.28, 2,568,321,736.20 and 1,025,730,908.16 is: 1,415,504,375.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,108,331.28 : 2,568,321,736.20 = 1,025,730,908.16 : x
  2. Step 2: Convert to fraction form
    1,861,108,331.28/2,568,321,736.20 = 1,025,730,908.16/x
  3. Step 3: Cross multiply
    1,861,108,331.28x = 2,568,321,736.20 × 1,025,730,908.16
  4. Step 4: Simplify right side
    1,861,108,331.28x = 2,634,406,986,919,493,632
  5. Step 5: Solve for x
    x = 2,634,406,986,919,493,632/1,861,108,331.28
  6. Step 6: Final answer
    x = 1,415,504,375.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.