Home / 2,198,664,557.80-3,297,996,836.70-1,980,986,324.20

Finding the Fourth Proportional to 2,198,664,557.80, 3,297,996,836.70 and 1,980,986,324.20

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Solution

The fourth proportional to 2,198,664,557.80, 3,297,996,836.70 and 1,980,986,324.20 is: 2,971,479,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,664,557.80 : 3,297,996,836.70 = 1,980,986,324.20 : x
  2. Step 2: Convert to fraction form
    2,198,664,557.80/3,297,996,836.70 = 1,980,986,324.20/x
  3. Step 3: Cross multiply
    2,198,664,557.80x = 3,297,996,836.70 × 1,980,986,324.20
  4. Step 4: Simplify right side
    2,198,664,557.80x = 6,533,286,630,757,560,320
  5. Step 5: Solve for x
    x = 6,533,286,630,757,560,320/2,198,664,557.80
  6. Step 6: Final answer
    x = 2,971,479,486.30

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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.