Home / 3,217,279,680.12-4,825,912,389.96-856,441,173.72

Finding the Fourth Proportional to 3,217,279,680.12, 4,825,912,389.96 and 856,441,173.72

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Solution

The fourth proportional to 3,217,279,680.12, 4,825,912,389.96 and 856,441,173.72 is: 1,284,659,862.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,279,680.12 : 4,825,912,389.96 = 856,441,173.72 : x
  2. Step 2: Convert to fraction form
    3,217,279,680.12/4,825,912,389.96 = 856,441,173.72/x
  3. Step 3: Cross multiply
    3,217,279,680.12x = 4,825,912,389.96 × 856,441,173.72
  4. Step 4: Simplify right side
    3,217,279,680.12x = 4,133,110,071,527,233,024
  5. Step 5: Solve for x
    x = 4,133,110,071,527,233,024/3,217,279,680.12
  6. Step 6: Final answer
    x = 1,284,659,862.51

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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.