Home / 318,976,726-440,188,059-172,299,011.44

Finding the Fourth Proportional to 318,976,726, 440,188,059 and 172,299,011.44

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Solution

The fourth proportional to 318,976,726, 440,188,059 and 172,299,011.44 is: 237,772,731.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,976,726 : 440,188,059 = 172,299,011.44 : x
  2. Step 2: Convert to fraction form
    318,976,726/440,188,059 = 172,299,011.44/x
  3. Step 3: Cross multiply
    318,976,726x = 440,188,059 × 172,299,011.44
  4. Step 4: Simplify right side
    318,976,726x = 75,843,967,413,392,400
  5. Step 5: Solve for x
    x = 75,843,967,413,392,400/318,976,726
  6. Step 6: Final answer
    x = 237,772,731.46

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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.