Home / 778,305,847.73-1,074,086,161.85-425,896,691.81

Finding the Fourth Proportional to 778,305,847.73, 1,074,086,161.85 and 425,896,691.81

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Solution

The fourth proportional to 778,305,847.73, 1,074,086,161.85 and 425,896,691.81 is: 587,750,618.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,305,847.73 : 1,074,086,161.85 = 425,896,691.81 : x
  2. Step 2: Convert to fraction form
    778,305,847.73/1,074,086,161.85 = 425,896,691.81/x
  3. Step 3: Cross multiply
    778,305,847.73x = 1,074,086,161.85 × 425,896,691.81
  4. Step 4: Simplify right side
    778,305,847.73x = 457,449,743,046,509,504
  5. Step 5: Solve for x
    x = 457,449,743,046,509,504/778,305,847.73
  6. Step 6: Final answer
    x = 587,750,618.07

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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.