Home / 2,614,213,667.28-3,921,318,105.02-819,440,131.15

Finding the Fourth Proportional to 2,614,213,667.28, 3,921,318,105.02 and 819,440,131.15

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Solution

The fourth proportional to 2,614,213,667.28, 3,921,318,105.02 and 819,440,131.15 is: 1,229,159,445.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614,213,667.28 : 3,921,318,105.02 = 819,440,131.15 : x
  2. Step 2: Convert to fraction form
    2,614,213,667.28/3,921,318,105.02 = 819,440,131.15/x
  3. Step 3: Cross multiply
    2,614,213,667.28x = 3,921,318,105.02 × 819,440,131.15
  4. Step 4: Simplify right side
    2,614,213,667.28x = 3,213,285,422,258,458,112
  5. Step 5: Solve for x
    x = 3,213,285,422,258,458,112/2,614,213,667.28
  6. Step 6: Final answer
    x = 1,229,159,445.72

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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.