Home / 290,379,625,486.40-400,725,128,988.80-158,394,851,208.22

Finding the Fourth Proportional to 290,379,625,486.40, 400,725,128,988.80 and 158,394,851,208.22

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Solution

The fourth proportional to 290,379,625,486.40, 400,725,128,988.80 and 158,394,851,208.22 is: 218,585,574,229.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,379,625,486.40 : 400,725,128,988.80 = 158,394,851,208.22 : x
  2. Step 2: Convert to fraction form
    290,379,625,486.40/400,725,128,988.80 = 158,394,851,208.22/x
  3. Step 3: Cross multiply
    290,379,625,486.40x = 400,725,128,988.80 × 158,394,851,208.22
  4. Step 4: Simplify right side
    290,379,625,486.40x = 63,472,797,181,575,744,716,800
  5. Step 5: Solve for x
    x = 63,472,797,181,575,744,716,800/290,379,625,486.40
  6. Step 6: Final answer
    x = 218,585,574,229.79

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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.