Home / 451,036,786.20-676,555,179.30-221,454,274.20

Finding the Fourth Proportional to 451,036,786.20, 676,555,179.30 and 221,454,274.20

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Solution

The fourth proportional to 451,036,786.20, 676,555,179.30 and 221,454,274.20 is: 332,181,411.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,036,786.20 : 676,555,179.30 = 221,454,274.20 : x
  2. Step 2: Convert to fraction form
    451,036,786.20/676,555,179.30 = 221,454,274.20/x
  3. Step 3: Cross multiply
    451,036,786.20x = 676,555,179.30 × 221,454,274.20
  4. Step 4: Simplify right side
    451,036,786.20x = 149,826,036,188,132,352
  5. Step 5: Solve for x
    x = 149,826,036,188,132,352/451,036,786.20
  6. Step 6: Final answer
    x = 332,181,411.30

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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.