Home / 1,491,346,684.85-2,058,150,287.42-822,289,660.68

Finding the Fourth Proportional to 1,491,346,684.85, 2,058,150,287.42 and 822,289,660.68

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Solution

The fourth proportional to 1,491,346,684.85, 2,058,150,287.42 and 822,289,660.68 is: 1,134,810,382.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,346,684.85 : 2,058,150,287.42 = 822,289,660.68 : x
  2. Step 2: Convert to fraction form
    1,491,346,684.85/2,058,150,287.42 = 822,289,660.68/x
  3. Step 3: Cross multiply
    1,491,346,684.85x = 2,058,150,287.42 × 822,289,660.68
  4. Step 4: Simplify right side
    1,491,346,684.85x = 1,692,395,701,471,036,160
  5. Step 5: Solve for x
    x = 1,692,395,701,471,036,160/1,491,346,684.85
  6. Step 6: Final answer
    x = 1,134,810,382.23

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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.