Home / 1,247,591,332.10-1,871,386,998.15-327,560,672.90

Finding the Fourth Proportional to 1,247,591,332.10, 1,871,386,998.15 and 327,560,672.90

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Solution

The fourth proportional to 1,247,591,332.10, 1,871,386,998.15 and 327,560,672.90 is: 491,341,009.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,591,332.10 : 1,871,386,998.15 = 327,560,672.90 : x
  2. Step 2: Convert to fraction form
    1,247,591,332.10/1,871,386,998.15 = 327,560,672.90/x
  3. Step 3: Cross multiply
    1,247,591,332.10x = 1,871,386,998.15 × 327,560,672.90
  4. Step 4: Simplify right side
    1,247,591,332.10x = 612,992,784,370,324,992
  5. Step 5: Solve for x
    x = 612,992,784,370,324,992/1,247,591,332.10
  6. Step 6: Final answer
    x = 491,341,009.35

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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.