Home / 1,338,614,043.91-1,847,332,240.77-743,923,593.29

Finding the Fourth Proportional to 1,338,614,043.91, 1,847,332,240.77 and 743,923,593.29

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Solution

The fourth proportional to 1,338,614,043.91, 1,847,332,240.77 and 743,923,593.29 is: 1,026,639,489.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,614,043.91 : 1,847,332,240.77 = 743,923,593.29 : x
  2. Step 2: Convert to fraction form
    1,338,614,043.91/1,847,332,240.77 = 743,923,593.29/x
  3. Step 3: Cross multiply
    1,338,614,043.91x = 1,847,332,240.77 × 743,923,593.29
  4. Step 4: Simplify right side
    1,338,614,043.91x = 1,374,274,038,561,456,640
  5. Step 5: Solve for x
    x = 1,374,274,038,561,456,640/1,338,614,043.91
  6. Step 6: Final answer
    x = 1,026,639,489.42

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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.