Home / 2,439,107,770.25-3,656,079,441.77-820,435,121.21

Finding the Fourth Proportional to 2,439,107,770.25, 3,656,079,441.77 and 820,435,121.21

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Solution

The fourth proportional to 2,439,107,770.25, 3,656,079,441.77 and 820,435,121.21 is: 1,229,784,110.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439,107,770.25 : 3,656,079,441.77 = 820,435,121.21 : x
  2. Step 2: Convert to fraction form
    2,439,107,770.25/3,656,079,441.77 = 820,435,121.21/x
  3. Step 3: Cross multiply
    2,439,107,770.25x = 3,656,079,441.77 × 820,435,121.21
  4. Step 4: Simplify right side
    2,439,107,770.25x = 2,999,575,979,961,959,424
  5. Step 5: Solve for x
    x = 2,999,575,979,961,959,424/2,439,107,770.25
  6. Step 6: Final answer
    x = 1,229,784,110.63

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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.