Home / 451,036,561.20-676,554,841.80-221,454,049.20

Finding the Fourth Proportional to 451,036,561.20, 676,554,841.80 and 221,454,049.20

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Solution

The fourth proportional to 451,036,561.20, 676,554,841.80 and 221,454,049.20 is: 332,181,073.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,036,561.20 : 676,554,841.80 = 221,454,049.20 : x
  2. Step 2: Convert to fraction form
    451,036,561.20/676,554,841.80 = 221,454,049.20/x
  3. Step 3: Cross multiply
    451,036,561.20x = 676,554,841.80 × 221,454,049.20
  4. Step 4: Simplify right side
    451,036,561.20x = 149,825,809,222,475,392
  5. Step 5: Solve for x
    x = 149,825,809,222,475,392/451,036,561.20
  6. Step 6: Final answer
    x = 332,181,073.80

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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.