Home / 186,802,310,531.79-280,650,480,965.06-119,780,865,729.31

Finding the Fourth Proportional to 186,802,310,531.79, 280,650,480,965.06 and 119,780,865,729.31

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Solution

The fourth proportional to 186,802,310,531.79, 280,650,480,965.06 and 119,780,865,729.31 is: 179,957,932,434.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,802,310,531.79 : 280,650,480,965.06 = 119,780,865,729.31 : x
  2. Step 2: Convert to fraction form
    186,802,310,531.79/280,650,480,965.06 = 119,780,865,729.31/x
  3. Step 3: Cross multiply
    186,802,310,531.79x = 280,650,480,965.06 × 119,780,865,729.31
  4. Step 4: Simplify right side
    186,802,310,531.79x = 33,616,557,577,342,122,196,992
  5. Step 5: Solve for x
    x = 33,616,557,577,342,122,196,992/186,802,310,531.79
  6. Step 6: Final answer
    x = 179,957,932,434.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.