Home / 2,821,635,769.12-4,229,657,970-1,324,988,166.88

Finding the Fourth Proportional to 2,821,635,769.12, 4,229,657,970 and 1,324,988,166.88

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Solution

The fourth proportional to 2,821,635,769.12, 4,229,657,970 and 1,324,988,166.88 is: 1,986,169,448.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,635,769.12 : 4,229,657,970 = 1,324,988,166.88 : x
  2. Step 2: Convert to fraction form
    2,821,635,769.12/4,229,657,970 = 1,324,988,166.88/x
  3. Step 3: Cross multiply
    2,821,635,769.12x = 4,229,657,970 × 1,324,988,166.88
  4. Step 4: Simplify right side
    2,821,635,769.12x = 5,604,246,760,199,682,048
  5. Step 5: Solve for x
    x = 5,604,246,760,199,682,048/2,821,635,769.12
  6. Step 6: Final answer
    x = 1,986,169,448.78

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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.