Home / 451,036,800.45-676,555,200.68-221,454,288.45

Finding the Fourth Proportional to 451,036,800.45, 676,555,200.68 and 221,454,288.45

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Solution

The fourth proportional to 451,036,800.45, 676,555,200.68 and 221,454,288.45 is: 332,181,432.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,036,800.45 : 676,555,200.68 = 221,454,288.45 : x
  2. Step 2: Convert to fraction form
    451,036,800.45/676,555,200.68 = 221,454,288.45/x
  3. Step 3: Cross multiply
    451,036,800.45x = 676,555,200.68 × 221,454,288.45
  4. Step 4: Simplify right side
    451,036,800.45x = 149,826,050,562,629,056
  5. Step 5: Solve for x
    x = 149,826,050,562,629,056/451,036,800.45
  6. Step 6: Final answer
    x = 332,181,432.68

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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.