Home / 2,885,410,684.85-3,981,530,821.23-1,615,321,216.76

Finding the Fourth Proportional to 2,885,410,684.85, 3,981,530,821.23 and 1,615,321,216.76

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Solution

The fourth proportional to 2,885,410,684.85, 3,981,530,821.23 and 1,615,321,216.76 is: 2,228,955,220.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885,410,684.85 : 3,981,530,821.23 = 1,615,321,216.76 : x
  2. Step 2: Convert to fraction form
    2,885,410,684.85/3,981,530,821.23 = 1,615,321,216.76/x
  3. Step 3: Cross multiply
    2,885,410,684.85x = 3,981,530,821.23 × 1,615,321,216.76
  4. Step 4: Simplify right side
    2,885,410,684.85x = 6,431,451,210,696,778,752
  5. Step 5: Solve for x
    x = 6,431,451,210,696,778,752/2,885,410,684.85
  6. Step 6: Final answer
    x = 2,228,955,220.99

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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.