Home / 394,089,734.60-591,134,601.90-248,970,912.20

Finding the Fourth Proportional to 394,089,734.60, 591,134,601.90 and 248,970,912.20

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Solution

The fourth proportional to 394,089,734.60, 591,134,601.90 and 248,970,912.20 is: 373,456,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,089,734.60 : 591,134,601.90 = 248,970,912.20 : x
  2. Step 2: Convert to fraction form
    394,089,734.60/591,134,601.90 = 248,970,912.20/x
  3. Step 3: Cross multiply
    394,089,734.60x = 591,134,601.90 × 248,970,912.20
  4. Step 4: Simplify right side
    394,089,734.60x = 147,175,321,068,026,848
  5. Step 5: Solve for x
    x = 147,175,321,068,026,848/394,089,734.60
  6. Step 6: Final answer
    x = 373,456,368.30

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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.