Home / 880,206,870.40-1,320,310,305.60-813,694,076.80

Finding the Fourth Proportional to 880,206,870.40, 1,320,310,305.60 and 813,694,076.80

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Solution

The fourth proportional to 880,206,870.40, 1,320,310,305.60 and 813,694,076.80 is: 1,220,541,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,206,870.40 : 1,320,310,305.60 = 813,694,076.80 : x
  2. Step 2: Convert to fraction form
    880,206,870.40/1,320,310,305.60 = 813,694,076.80/x
  3. Step 3: Cross multiply
    880,206,870.40x = 1,320,310,305.60 × 813,694,076.80
  4. Step 4: Simplify right side
    880,206,870.40x = 1,074,328,675,204,717,696
  5. Step 5: Solve for x
    x = 1,074,328,675,204,717,696/880,206,870.40
  6. Step 6: Final answer
    x = 1,220,541,115.20

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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.