Home / 399,315,178.28-598,984,969.68-136,996,049.48

Finding the Fourth Proportional to 399,315,178.28, 598,984,969.68 and 136,996,049.48

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Solution

The fourth proportional to 399,315,178.28, 598,984,969.68 and 136,996,049.48 is: 205,498,260.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,315,178.28 : 598,984,969.68 = 136,996,049.48 : x
  2. Step 2: Convert to fraction form
    399,315,178.28/598,984,969.68 = 136,996,049.48/x
  3. Step 3: Cross multiply
    399,315,178.28x = 598,984,969.68 × 136,996,049.48
  4. Step 4: Simplify right side
    399,315,178.28x = 82,058,574,544,057,568
  5. Step 5: Solve for x
    x = 82,058,574,544,057,568/399,315,178.28
  6. Step 6: Final answer
    x = 205,498,260.54

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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.