Home / 7,221,025,178.46-9,965,026,469.15-4,005,935,251.51

Finding the Fourth Proportional to 7,221,025,178.46, 9,965,026,469.15 and 4,005,935,251.51

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Solution

The fourth proportional to 7,221,025,178.46, 9,965,026,469.15 and 4,005,935,251.51 is: 5,528,197,150.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221,025,178.46 : 9,965,026,469.15 = 4,005,935,251.51 : x
  2. Step 2: Convert to fraction form
    7,221,025,178.46/9,965,026,469.15 = 4,005,935,251.51/x
  3. Step 3: Cross multiply
    7,221,025,178.46x = 9,965,026,469.15 × 4,005,935,251.51
  4. Step 4: Simplify right side
    7,221,025,178.46x = 39,919,250,814,998,216,704
  5. Step 5: Solve for x
    x = 39,919,250,814,998,216,704/7,221,025,178.46
  6. Step 6: Final answer
    x = 5,528,197,150.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.