Home / 414,056,540.80-620,557,306.80-220,060,892.80

Finding the Fourth Proportional to 414,056,540.80, 620,557,306.80 and 220,060,892.80

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Solution

The fourth proportional to 414,056,540.80, 620,557,306.80 and 220,060,892.80 is: 329,810,983.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,056,540.80 : 620,557,306.80 = 220,060,892.80 : x
  2. Step 2: Convert to fraction form
    414,056,540.80/620,557,306.80 = 220,060,892.80/x
  3. Step 3: Cross multiply
    414,056,540.80x = 620,557,306.80 × 220,060,892.80
  4. Step 4: Simplify right side
    414,056,540.80x = 136,560,394,967,971,504
  5. Step 5: Solve for x
    x = 136,560,394,967,971,504/414,056,540.80
  6. Step 6: Final answer
    x = 329,810,983.55

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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.