Home / 399,315,188.24-598,984,984.67-136,996,059.54

Finding the Fourth Proportional to 399,315,188.24, 598,984,984.67 and 136,996,059.54

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Solution

The fourth proportional to 399,315,188.24, 598,984,984.67 and 136,996,059.54 is: 205,498,275.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,315,188.24 : 598,984,984.67 = 136,996,059.54 : x
  2. Step 2: Convert to fraction form
    399,315,188.24/598,984,984.67 = 136,996,059.54/x
  3. Step 3: Cross multiply
    399,315,188.24x = 598,984,984.67 × 136,996,059.54
  4. Step 4: Simplify right side
    399,315,188.24x = 82,058,582,622,732,320
  5. Step 5: Solve for x
    x = 82,058,582,622,732,320/399,315,188.24
  6. Step 6: Final answer
    x = 205,498,275.65

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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.