Home / 843,077,433.93-1,163,568,616.25-485,776,805.11

Finding the Fourth Proportional to 843,077,433.93, 1,163,568,616.25 and 485,776,805.11

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Solution

The fourth proportional to 843,077,433.93, 1,163,568,616.25 and 485,776,805.11 is: 670,442,147.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,077,433.93 : 1,163,568,616.25 = 485,776,805.11 : x
  2. Step 2: Convert to fraction form
    843,077,433.93/1,163,568,616.25 = 485,776,805.11/x
  3. Step 3: Cross multiply
    843,077,433.93x = 1,163,568,616.25 × 485,776,805.11
  4. Step 4: Simplify right side
    843,077,433.93x = 565,234,644,922,850,816
  5. Step 5: Solve for x
    x = 565,234,644,922,850,816/843,077,433.93
  6. Step 6: Final answer
    x = 670,442,147.04

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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.