Home / 440,025,269.70-660,037,904.55-221,591,208.90

Finding the Fourth Proportional to 440,025,269.70, 660,037,904.55 and 221,591,208.90

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Solution

The fourth proportional to 440,025,269.70, 660,037,904.55 and 221,591,208.90 is: 332,386,813.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,025,269.70 : 660,037,904.55 = 221,591,208.90 : x
  2. Step 2: Convert to fraction form
    440,025,269.70/660,037,904.55 = 221,591,208.90/x
  3. Step 3: Cross multiply
    440,025,269.70x = 660,037,904.55 × 221,591,208.90
  4. Step 4: Simplify right side
    440,025,269.70x = 146,258,597,189,057,312
  5. Step 5: Solve for x
    x = 146,258,597,189,057,312/440,025,269.70
  6. Step 6: Final answer
    x = 332,386,813.35

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Similar ratio
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1.5x scale

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.