Home / 396,612,090.90-594,918,136.35-105,478,650.90

Finding the Fourth Proportional to 396,612,090.90, 594,918,136.35 and 105,478,650.90

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Solution

The fourth proportional to 396,612,090.90, 594,918,136.35 and 105,478,650.90 is: 158,217,976.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,612,090.90 : 594,918,136.35 = 105,478,650.90 : x
  2. Step 2: Convert to fraction form
    396,612,090.90/594,918,136.35 = 105,478,650.90/x
  3. Step 3: Cross multiply
    396,612,090.90x = 594,918,136.35 × 105,478,650.90
  4. Step 4: Simplify right side
    396,612,090.90x = 62,751,162,418,140,256
  5. Step 5: Solve for x
    x = 62,751,162,418,140,256/396,612,090.90
  6. Step 6: Final answer
    x = 158,217,976.35

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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.