Home / 494,269,252.88-681,897,393-282,462,452.12

Finding the Fourth Proportional to 494,269,252.88, 681,897,393 and 282,462,452.12

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Solution

The fourth proportional to 494,269,252.88, 681,897,393 and 282,462,452.12 is: 389,687,217.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,269,252.88 : 681,897,393 = 282,462,452.12 : x
  2. Step 2: Convert to fraction form
    494,269,252.88/681,897,393 = 282,462,452.12/x
  3. Step 3: Cross multiply
    494,269,252.88x = 681,897,393 × 282,462,452.12
  4. Step 4: Simplify right side
    494,269,252.88x = 192,610,409,721,015,328
  5. Step 5: Solve for x
    x = 192,610,409,721,015,328/494,269,252.88
  6. Step 6: Final answer
    x = 389,687,217.24

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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.