Home / 2,885,410,688.97-3,981,530,826.91-1,615,321,220.88

Finding the Fourth Proportional to 2,885,410,688.97, 3,981,530,826.91 and 1,615,321,220.88

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Solution

The fourth proportional to 2,885,410,688.97, 3,981,530,826.91 and 1,615,321,220.88 is: 2,228,955,226.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885,410,688.97 : 3,981,530,826.91 = 1,615,321,220.88 : x
  2. Step 2: Convert to fraction form
    2,885,410,688.97/3,981,530,826.91 = 1,615,321,220.88/x
  3. Step 3: Cross multiply
    2,885,410,688.97x = 3,981,530,826.91 × 1,615,321,220.88
  4. Step 4: Simplify right side
    2,885,410,688.97x = 6,431,451,236,295,617,536
  5. Step 5: Solve for x
    x = 6,431,451,236,295,617,536/2,885,410,688.97
  6. Step 6: Final answer
    x = 2,228,955,226.68

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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.