Home / 3,964,315,065.18-5,469,206,491.80-2,269,864,206.78

Finding the Fourth Proportional to 3,964,315,065.18, 5,469,206,491.80 and 2,269,864,206.78

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Solution

The fourth proportional to 3,964,315,065.18, 5,469,206,491.80 and 2,269,864,206.78 is: 3,131,526,089.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964,315,065.18 : 5,469,206,491.80 = 2,269,864,206.78 : x
  2. Step 2: Convert to fraction form
    3,964,315,065.18/5,469,206,491.80 = 2,269,864,206.78/x
  3. Step 3: Cross multiply
    3,964,315,065.18x = 5,469,206,491.80 × 2,269,864,206.78
  4. Step 4: Simplify right side
    3,964,315,065.18x = 12,414,356,055,225,634,816
  5. Step 5: Solve for x
    x = 12,414,356,055,225,634,816/3,964,315,065.18
  6. Step 6: Final answer
    x = 3,131,526,089.91

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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.