Home / 290,379,625,446.26-400,725,128,933.43-158,394,851,168.08

Finding the Fourth Proportional to 290,379,625,446.26, 400,725,128,933.43 and 158,394,851,168.08

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Solution

The fourth proportional to 290,379,625,446.26, 400,725,128,933.43 and 158,394,851,168.08 is: 218,585,574,174.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,379,625,446.26 : 400,725,128,933.43 = 158,394,851,168.08 : x
  2. Step 2: Convert to fraction form
    290,379,625,446.26/400,725,128,933.43 = 158,394,851,168.08/x
  3. Step 3: Cross multiply
    290,379,625,446.26x = 400,725,128,933.43 × 158,394,851,168.08
  4. Step 4: Simplify right side
    290,379,625,446.26x = 63,472,797,156,720,307,601,408
  5. Step 5: Solve for x
    x = 63,472,797,156,720,307,601,408/290,379,625,446.26
  6. Step 6: Final answer
    x = 218,585,574,174.41

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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.