Home / 880,206,879.15-1,320,310,318.73-813,694,085.55

Finding the Fourth Proportional to 880,206,879.15, 1,320,310,318.73 and 813,694,085.55

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Solution

The fourth proportional to 880,206,879.15, 1,320,310,318.73 and 813,694,085.55 is: 1,220,541,128.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,206,879.15 : 1,320,310,318.73 = 813,694,085.55 : x
  2. Step 2: Convert to fraction form
    880,206,879.15/1,320,310,318.73 = 813,694,085.55/x
  3. Step 3: Cross multiply
    880,206,879.15x = 1,320,310,318.73 × 813,694,085.55
  4. Step 4: Simplify right side
    880,206,879.15x = 1,074,328,697,437,167,744
  5. Step 5: Solve for x
    x = 1,074,328,697,437,167,744/880,206,879.15
  6. Step 6: Final answer
    x = 1,220,541,128.33

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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.