Home / 386,211,817.22-579,317,725.82-113,582,584.22

Finding the Fourth Proportional to 386,211,817.22, 579,317,725.82 and 113,582,584.22

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Solution

The fourth proportional to 386,211,817.22, 579,317,725.82 and 113,582,584.22 is: 170,373,876.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,211,817.22 : 579,317,725.82 = 113,582,584.22 : x
  2. Step 2: Convert to fraction form
    386,211,817.22/579,317,725.82 = 113,582,584.22/x
  3. Step 3: Cross multiply
    386,211,817.22x = 579,317,725.82 × 113,582,584.22
  4. Step 4: Simplify right side
    386,211,817.22x = 65,800,404,380,476,384
  5. Step 5: Solve for x
    x = 65,800,404,380,476,384/386,211,817.22
  6. Step 6: Final answer
    x = 170,373,876.32

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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.