Home / 440,025,316.20-660,037,974.30-221,591,255.40

Finding the Fourth Proportional to 440,025,316.20, 660,037,974.30 and 221,591,255.40

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Solution

The fourth proportional to 440,025,316.20, 660,037,974.30 and 221,591,255.40 is: 332,386,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,025,316.20 : 660,037,974.30 = 221,591,255.40 : x
  2. Step 2: Convert to fraction form
    440,025,316.20/660,037,974.30 = 221,591,255.40/x
  3. Step 3: Cross multiply
    440,025,316.20x = 660,037,974.30 × 221,591,255.40
  4. Step 4: Simplify right side
    440,025,316.20x = 146,258,643,336,809,920
  5. Step 5: Solve for x
    x = 146,258,643,336,809,920/440,025,316.20
  6. Step 6: Final answer
    x = 332,386,883.10

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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.