Home / 327,638,016.20-491,457,024.30-85,300,920.20

Finding the Fourth Proportional to 327,638,016.20, 491,457,024.30 and 85,300,920.20

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Solution

The fourth proportional to 327,638,016.20, 491,457,024.30 and 85,300,920.20 is: 127,951,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,638,016.20 : 491,457,024.30 = 85,300,920.20 : x
  2. Step 2: Convert to fraction form
    327,638,016.20/491,457,024.30 = 85,300,920.20/x
  3. Step 3: Cross multiply
    327,638,016.20x = 491,457,024.30 × 85,300,920.20
  4. Step 4: Simplify right side
    327,638,016.20x = 41,921,736,411,543,760
  5. Step 5: Solve for x
    x = 41,921,736,411,543,760/327,638,016.20
  6. Step 6: Final answer
    x = 127,951,380.30

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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.