Home / 3,964,315,064.18-5,469,206,490.42-2,269,864,205.78

Finding the Fourth Proportional to 3,964,315,064.18, 5,469,206,490.42 and 2,269,864,205.78

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Solution

The fourth proportional to 3,964,315,064.18, 5,469,206,490.42 and 2,269,864,205.78 is: 3,131,526,088.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964,315,064.18 : 5,469,206,490.42 = 2,269,864,205.78 : x
  2. Step 2: Convert to fraction form
    3,964,315,064.18/5,469,206,490.42 = 2,269,864,205.78/x
  3. Step 3: Cross multiply
    3,964,315,064.18x = 5,469,206,490.42 × 2,269,864,205.78
  4. Step 4: Simplify right side
    3,964,315,064.18x = 12,414,356,046,596,669,440
  5. Step 5: Solve for x
    x = 12,414,356,046,596,669,440/3,964,315,064.18
  6. Step 6: Final answer
    x = 3,131,526,088.53

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Double scale
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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.