Home / 361,991,965,593.44-499,609,701,181.86-209,839,969,543.52

Finding the Fourth Proportional to 361,991,965,593.44, 499,609,701,181.86 and 209,839,969,543.52

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Solution

The fourth proportional to 361,991,965,593.44, 499,609,701,181.86 and 209,839,969,543.52 is: 289,614,396,020.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,991,965,593.44 : 499,609,701,181.86 = 209,839,969,543.52 : x
  2. Step 2: Convert to fraction form
    361,991,965,593.44/499,609,701,181.86 = 209,839,969,543.52/x
  3. Step 3: Cross multiply
    361,991,965,593.44x = 499,609,701,181.86 × 209,839,969,543.52
  4. Step 4: Simplify right side
    361,991,965,593.44x = 104,838,084,479,648,618,512,384
  5. Step 5: Solve for x
    x = 104,838,084,479,648,618,512,384/361,991,965,593.44
  6. Step 6: Final answer
    x = 289,614,396,020.59

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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.