Home / 542,982,053.79-814,723,568.43-247,967,612.43

Finding the Fourth Proportional to 542,982,053.79, 814,723,568.43 and 247,967,612.43

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Solution

The fourth proportional to 542,982,053.79, 814,723,568.43 and 247,967,612.43 is: 372,065,810.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,982,053.79 : 814,723,568.43 = 247,967,612.43 : x
  2. Step 2: Convert to fraction form
    542,982,053.79/814,723,568.43 = 247,967,612.43/x
  3. Step 3: Cross multiply
    542,982,053.79x = 814,723,568.43 × 247,967,612.43
  4. Step 4: Simplify right side
    542,982,053.79x = 202,025,058,050,051,744
  5. Step 5: Solve for x
    x = 202,025,058,050,051,744/542,982,053.79
  6. Step 6: Final answer
    x = 372,065,810.72

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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.