Home / 498,256,630.56-687,580,823.28-275,233,512.36

Finding the Fourth Proportional to 498,256,630.56, 687,580,823.28 and 275,233,512.36

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Solution

The fourth proportional to 498,256,630.56, 687,580,823.28 and 275,233,512.36 is: 379,814,885.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,256,630.56 : 687,580,823.28 = 275,233,512.36 : x
  2. Step 2: Convert to fraction form
    498,256,630.56/687,580,823.28 = 275,233,512.36/x
  3. Step 3: Cross multiply
    498,256,630.56x = 687,580,823.28 × 275,233,512.36
  4. Step 4: Simplify right side
    498,256,630.56x = 189,245,285,022,734,848
  5. Step 5: Solve for x
    x = 189,245,285,022,734,848/498,256,630.56
  6. Step 6: Final answer
    x = 379,814,885.37

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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.