Home / 2,885,410,705.86-3,981,530,850.21-1,615,321,237.74

Finding the Fourth Proportional to 2,885,410,705.86, 3,981,530,850.21 and 1,615,321,237.74

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Solution

The fourth proportional to 2,885,410,705.86, 3,981,530,850.21 and 1,615,321,237.74 is: 2,228,955,249.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885,410,705.86 : 3,981,530,850.21 = 1,615,321,237.74 : x
  2. Step 2: Convert to fraction form
    2,885,410,705.86/3,981,530,850.21 = 1,615,321,237.74/x
  3. Step 3: Cross multiply
    2,885,410,705.86x = 3,981,530,850.21 × 1,615,321,237.74
  4. Step 4: Simplify right side
    2,885,410,705.86x = 6,431,451,341,061,212,160
  5. Step 5: Solve for x
    x = 6,431,451,341,061,212,160/2,885,410,705.86
  6. Step 6: Final answer
    x = 2,228,955,249.94

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Double scale
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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.