Home / 880,206,880.15-1,320,310,320.23-813,694,086.55

Finding the Fourth Proportional to 880,206,880.15, 1,320,310,320.23 and 813,694,086.55

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Solution

The fourth proportional to 880,206,880.15, 1,320,310,320.23 and 813,694,086.55 is: 1,220,541,129.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,206,880.15 : 1,320,310,320.23 = 813,694,086.55 : x
  2. Step 2: Convert to fraction form
    880,206,880.15/1,320,310,320.23 = 813,694,086.55/x
  3. Step 3: Cross multiply
    880,206,880.15x = 1,320,310,320.23 × 813,694,086.55
  4. Step 4: Simplify right side
    880,206,880.15x = 1,074,328,699,982,087,808
  5. Step 5: Solve for x
    x = 1,074,328,699,982,087,808/880,206,880.15
  6. Step 6: Final answer
    x = 1,220,541,129.83

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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.