Home / 3,945,243,092.04-5,442,371,327.88-2,439,388,078.92

Finding the Fourth Proportional to 3,945,243,092.04, 5,442,371,327.88 and 2,439,388,078.92

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Solution

The fourth proportional to 3,945,243,092.04, 5,442,371,327.88 and 2,439,388,078.92 is: 3,365,079,268.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,243,092.04 : 5,442,371,327.88 = 2,439,388,078.92 : x
  2. Step 2: Convert to fraction form
    3,945,243,092.04/5,442,371,327.88 = 2,439,388,078.92/x
  3. Step 3: Cross multiply
    3,945,243,092.04x = 5,442,371,327.88 × 2,439,388,078.92
  4. Step 4: Simplify right side
    3,945,243,092.04x = 13,276,055,738,286,483,456
  5. Step 5: Solve for x
    x = 13,276,055,738,286,483,456/3,945,243,092.04
  6. Step 6: Final answer
    x = 3,365,079,268.52

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1.5x scale

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.