Home / 1,444,617,388.20-1,993,694,947.56-818,197,252.68

Finding the Fourth Proportional to 1,444,617,388.20, 1,993,694,947.56 and 818,197,252.68

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Solution

The fourth proportional to 1,444,617,388.20, 1,993,694,947.56 and 818,197,252.68 is: 1,129,181,845.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,617,388.20 : 1,993,694,947.56 = 818,197,252.68 : x
  2. Step 2: Convert to fraction form
    1,444,617,388.20/1,993,694,947.56 = 818,197,252.68/x
  3. Step 3: Cross multiply
    1,444,617,388.20x = 1,993,694,947.56 × 818,197,252.68
  4. Step 4: Simplify right side
    1,444,617,388.20x = 1,631,235,728,775,588,608
  5. Step 5: Solve for x
    x = 1,631,235,728,775,588,608/1,444,617,388.20
  6. Step 6: Final answer
    x = 1,129,181,845.73

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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.