Home / 451,036,561.70-676,554,842.55-221,454,049.70

Finding the Fourth Proportional to 451,036,561.70, 676,554,842.55 and 221,454,049.70

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Solution

The fourth proportional to 451,036,561.70, 676,554,842.55 and 221,454,049.70 is: 332,181,074.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,036,561.70 : 676,554,842.55 = 221,454,049.70 : x
  2. Step 2: Convert to fraction form
    451,036,561.70/676,554,842.55 = 221,454,049.70/x
  3. Step 3: Cross multiply
    451,036,561.70x = 676,554,842.55 × 221,454,049.70
  4. Step 4: Simplify right side
    451,036,561.70x = 149,825,809,726,843,360
  5. Step 5: Solve for x
    x = 149,825,809,726,843,360/451,036,561.70
  6. Step 6: Final answer
    x = 332,181,074.55

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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.