Home / 880,206,863.40-1,320,310,295.10-813,694,069.80

Finding the Fourth Proportional to 880,206,863.40, 1,320,310,295.10 and 813,694,069.80

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Solution

The fourth proportional to 880,206,863.40, 1,320,310,295.10 and 813,694,069.80 is: 1,220,541,104.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,206,863.40 : 1,320,310,295.10 = 813,694,069.80 : x
  2. Step 2: Convert to fraction form
    880,206,863.40/1,320,310,295.10 = 813,694,069.80/x
  3. Step 3: Cross multiply
    880,206,863.40x = 1,320,310,295.10 × 813,694,069.80
  4. Step 4: Simplify right side
    880,206,863.40x = 1,074,328,657,418,757,888
  5. Step 5: Solve for x
    x = 1,074,328,657,418,757,888/880,206,863.40
  6. Step 6: Final answer
    x = 1,220,541,104.70

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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.