Home / 3,986,469,112.70-5,979,703,669.05-3,056,659,939.10

Finding the Fourth Proportional to 3,986,469,112.70, 5,979,703,669.05 and 3,056,659,939.10

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Solution

The fourth proportional to 3,986,469,112.70, 5,979,703,669.05 and 3,056,659,939.10 is: 4,584,989,908.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,469,112.70 : 5,979,703,669.05 = 3,056,659,939.10 : x
  2. Step 2: Convert to fraction form
    3,986,469,112.70/5,979,703,669.05 = 3,056,659,939.10/x
  3. Step 3: Cross multiply
    3,986,469,112.70x = 5,979,703,669.05 × 3,056,659,939.10
  4. Step 4: Simplify right side
    3,986,469,112.70x = 18,277,920,652,874,420,224
  5. Step 5: Solve for x
    x = 18,277,920,652,874,420,224/3,986,469,112.70
  6. Step 6: Final answer
    x = 4,584,989,908.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.