Home / 938,682,625.44-1,295,372,502-520,998,517.92

Finding the Fourth Proportional to 938,682,625.44, 1,295,372,502 and 520,998,517.92

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Solution

The fourth proportional to 938,682,625.44, 1,295,372,502 and 520,998,517.92 is: 718,972,670.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,682,625.44 : 1,295,372,502 = 520,998,517.92 : x
  2. Step 2: Convert to fraction form
    938,682,625.44/1,295,372,502 = 520,998,517.92/x
  3. Step 3: Cross multiply
    938,682,625.44x = 1,295,372,502 × 520,998,517.92
  4. Step 4: Simplify right side
    938,682,625.44x = 674,887,153,696,322,304
  5. Step 5: Solve for x
    x = 674,887,153,696,322,304/938,682,625.44
  6. Step 6: Final answer
    x = 718,972,670.21

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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.