Home / 399,315,158.24-598,984,939.60-136,996,029.47

Finding the Fourth Proportional to 399,315,158.24, 598,984,939.60 and 136,996,029.47

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Solution

The fourth proportional to 399,315,158.24, 598,984,939.60 and 136,996,029.47 is: 205,498,230.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,315,158.24 : 598,984,939.60 = 136,996,029.47 : x
  2. Step 2: Convert to fraction form
    399,315,158.24/598,984,939.60 = 136,996,029.47/x
  3. Step 3: Cross multiply
    399,315,158.24x = 598,984,939.60 × 136,996,029.47
  4. Step 4: Simplify right side
    399,315,158.24x = 82,058,558,438,682,736
  5. Step 5: Solve for x
    x = 82,058,558,438,682,736/399,315,158.24
  6. Step 6: Final answer
    x = 205,498,230.52

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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.