Home / 2,227,149,745.20-3,342,637,805.40-985,490,992.80

Finding the Fourth Proportional to 2,227,149,745.20, 3,342,637,805.40 and 985,490,992.80

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Solution

The fourth proportional to 2,227,149,745.20, 3,342,637,805.40 and 985,490,992.80 is: 1,479,083,055.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227,149,745.20 : 3,342,637,805.40 = 985,490,992.80 : x
  2. Step 2: Convert to fraction form
    2,227,149,745.20/3,342,637,805.40 = 985,490,992.80/x
  3. Step 3: Cross multiply
    2,227,149,745.20x = 3,342,637,805.40 × 985,490,992.80
  4. Step 4: Simplify right side
    2,227,149,745.20x = 3,294,139,449,414,458,880
  5. Step 5: Solve for x
    x = 3,294,139,449,414,458,880/2,227,149,745.20
  6. Step 6: Final answer
    x = 1,479,083,055.15

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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.