Home / 1,278,179,645.70-1,917,269,468.55-733,984,061.70

Finding the Fourth Proportional to 1,278,179,645.70, 1,917,269,468.55 and 733,984,061.70

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Solution

The fourth proportional to 1,278,179,645.70, 1,917,269,468.55 and 733,984,061.70 is: 1,100,976,092.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,179,645.70 : 1,917,269,468.55 = 733,984,061.70 : x
  2. Step 2: Convert to fraction form
    1,278,179,645.70/1,917,269,468.55 = 733,984,061.70/x
  3. Step 3: Cross multiply
    1,278,179,645.70x = 1,917,269,468.55 × 733,984,061.70
  4. Step 4: Simplify right side
    1,278,179,645.70x = 1,407,245,231,899,729,408
  5. Step 5: Solve for x
    x = 1,407,245,231,899,729,408/1,278,179,645.70
  6. Step 6: Final answer
    x = 1,100,976,092.55

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.