Home / 445,215,433.80-667,510,229.07-196,102,464.24

Finding the Fourth Proportional to 445,215,433.80, 667,510,229.07 and 196,102,464.24

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Solution

The fourth proportional to 445,215,433.80, 667,510,229.07 and 196,102,464.24 is: 294,015,864.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,215,433.80 : 667,510,229.07 = 196,102,464.24 : x
  2. Step 2: Convert to fraction form
    445,215,433.80/667,510,229.07 = 196,102,464.24/x
  3. Step 3: Cross multiply
    445,215,433.80x = 667,510,229.07 × 196,102,464.24
  4. Step 4: Simplify right side
    445,215,433.80x = 130,900,400,826,033,904
  5. Step 5: Solve for x
    x = 130,900,400,826,033,904/445,215,433.80
  6. Step 6: Final answer
    x = 294,015,864.88

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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.