Home / 407,986,713.16-563,023,570.81-231,784,377.22

Finding the Fourth Proportional to 407,986,713.16, 563,023,570.81 and 231,784,377.22

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Solution

The fourth proportional to 407,986,713.16, 563,023,570.81 and 231,784,377.22 is: 319,863,523.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,986,713.16 : 563,023,570.81 = 231,784,377.22 : x
  2. Step 2: Convert to fraction form
    407,986,713.16/563,023,570.81 = 231,784,377.22/x
  3. Step 3: Cross multiply
    407,986,713.16x = 563,023,570.81 × 231,784,377.22
  4. Step 4: Simplify right side
    407,986,713.16x = 130,500,067,720,376,400
  5. Step 5: Solve for x
    x = 130,500,067,720,376,400/407,986,713.16
  6. Step 6: Final answer
    x = 319,863,523.76

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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.