Home / 3,987,155,268.24-5,502,385,266.12-2,203,124,255.76

Finding the Fourth Proportional to 3,987,155,268.24, 5,502,385,266.12 and 2,203,124,255.76

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Solution

The fourth proportional to 3,987,155,268.24, 5,502,385,266.12 and 2,203,124,255.76 is: 3,040,372,804.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,155,268.24 : 5,502,385,266.12 = 2,203,124,255.76 : x
  2. Step 2: Convert to fraction form
    3,987,155,268.24/5,502,385,266.12 = 2,203,124,255.76/x
  3. Step 3: Cross multiply
    3,987,155,268.24x = 5,502,385,266.12 × 2,203,124,255.76
  4. Step 4: Simplify right side
    3,987,155,268.24x = 12,122,438,444,325,414,912
  5. Step 5: Solve for x
    x = 12,122,438,444,325,414,912/3,987,155,268.24
  6. Step 6: Final answer
    x = 3,040,372,804.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.