Home / 388,422,204.36-582,240,719.82-167,237,819.48

Finding the Fourth Proportional to 388,422,204.36, 582,240,719.82 and 167,237,819.48

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Solution

The fourth proportional to 388,422,204.36, 582,240,719.82 and 167,237,819.48 is: 250,687,698.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,422,204.36 : 582,240,719.82 = 167,237,819.48 : x
  2. Step 2: Convert to fraction form
    388,422,204.36/582,240,719.82 = 167,237,819.48/x
  3. Step 3: Cross multiply
    388,422,204.36x = 582,240,719.82 × 167,237,819.48
  4. Step 4: Simplify right side
    388,422,204.36x = 97,372,668,395,162,416
  5. Step 5: Solve for x
    x = 97,372,668,395,162,416/388,422,204.36
  6. Step 6: Final answer
    x = 250,687,698.34

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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.