Home / 440,025,305.70-660,037,958.55-221,591,244.90

Finding the Fourth Proportional to 440,025,305.70, 660,037,958.55 and 221,591,244.90

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Solution

The fourth proportional to 440,025,305.70, 660,037,958.55 and 221,591,244.90 is: 332,386,867.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,025,305.70 : 660,037,958.55 = 221,591,244.90 : x
  2. Step 2: Convert to fraction form
    440,025,305.70/660,037,958.55 = 221,591,244.90/x
  3. Step 3: Cross multiply
    440,025,305.70x = 660,037,958.55 × 221,591,244.90
  4. Step 4: Simplify right side
    440,025,305.70x = 146,258,632,916,349,088
  5. Step 5: Solve for x
    x = 146,258,632,916,349,088/440,025,305.70
  6. Step 6: Final answer
    x = 332,386,867.35

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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.