Home / 3,784,007,078.40-5,184,003,039.45-3,642,530,660.76

Finding the Fourth Proportional to 3,784,007,078.40, 5,184,003,039.45 and 3,642,530,660.76

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Solution

The fourth proportional to 3,784,007,078.40, 5,184,003,039.45 and 3,642,530,660.76 is: 4,990,183,587.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784,007,078.40 : 5,184,003,039.45 = 3,642,530,660.76 : x
  2. Step 2: Convert to fraction form
    3,784,007,078.40/5,184,003,039.45 = 3,642,530,660.76/x
  3. Step 3: Cross multiply
    3,784,007,078.40x = 5,184,003,039.45 × 3,642,530,660.76
  4. Step 4: Simplify right side
    3,784,007,078.40x = 18,882,890,016,669,659,136
  5. Step 5: Solve for x
    x = 18,882,890,016,669,659,136/3,784,007,078.40
  6. Step 6: Final answer
    x = 4,990,183,587.25

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.