Home / 2,215,961,003.76-3,324,857,158.80-971,747,660.40

Finding the Fourth Proportional to 2,215,961,003.76, 3,324,857,158.80 and 971,747,660.40

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Solution

The fourth proportional to 2,215,961,003.76, 3,324,857,158.80 and 971,747,660.40 is: 1,458,023,024.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,961,003.76 : 3,324,857,158.80 = 971,747,660.40 : x
  2. Step 2: Convert to fraction form
    2,215,961,003.76/3,324,857,158.80 = 971,747,660.40/x
  3. Step 3: Cross multiply
    2,215,961,003.76x = 3,324,857,158.80 × 971,747,660.40
  4. Step 4: Simplify right side
    2,215,961,003.76x = 3,230,922,165,228,091,392
  5. Step 5: Solve for x
    x = 3,230,922,165,228,091,392/2,215,961,003.76
  6. Step 6: Final answer
    x = 1,458,023,024.66

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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.