Home / 414,058,505.80-620,560,254.30-220,062,857.80

Finding the Fourth Proportional to 414,058,505.80, 620,560,254.30 and 220,062,857.80

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Solution

The fourth proportional to 414,058,505.80, 620,560,254.30 and 220,062,857.80 is: 329,813,929.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,058,505.80 : 620,560,254.30 = 220,062,857.80 : x
  2. Step 2: Convert to fraction form
    414,058,505.80/620,560,254.30 = 220,062,857.80/x
  3. Step 3: Cross multiply
    414,058,505.80x = 620,560,254.30 × 220,062,857.80
  4. Step 4: Simplify right side
    414,058,505.80x = 136,562,262,998,352,736
  5. Step 5: Solve for x
    x = 136,562,262,998,352,736/414,058,505.80
  6. Step 6: Final answer
    x = 329,813,929.88

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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.