Home / 451,036,557.20-676,554,835.80-221,454,045.20

Finding the Fourth Proportional to 451,036,557.20, 676,554,835.80 and 221,454,045.20

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Solution

The fourth proportional to 451,036,557.20, 676,554,835.80 and 221,454,045.20 is: 332,181,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,036,557.20 : 676,554,835.80 = 221,454,045.20 : x
  2. Step 2: Convert to fraction form
    451,036,557.20/676,554,835.80 = 221,454,045.20/x
  3. Step 3: Cross multiply
    451,036,557.20x = 676,554,835.80 × 221,454,045.20
  4. Step 4: Simplify right side
    451,036,557.20x = 149,825,805,187,531,744
  5. Step 5: Solve for x
    x = 149,825,805,187,531,744/451,036,557.20
  6. Step 6: Final answer
    x = 332,181,067.80

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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.