Home / 394,089,724.60-591,134,586.90-248,970,902.20

Finding the Fourth Proportional to 394,089,724.60, 591,134,586.90 and 248,970,902.20

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Solution

The fourth proportional to 394,089,724.60, 591,134,586.90 and 248,970,902.20 is: 373,456,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,089,724.60 : 591,134,586.90 = 248,970,902.20 : x
  2. Step 2: Convert to fraction form
    394,089,724.60/591,134,586.90 = 248,970,902.20/x
  3. Step 3: Cross multiply
    394,089,724.60x = 591,134,586.90 × 248,970,902.20
  4. Step 4: Simplify right side
    394,089,724.60x = 147,175,311,422,117,280
  5. Step 5: Solve for x
    x = 147,175,311,422,117,280/394,089,724.60
  6. Step 6: Final answer
    x = 373,456,353.30

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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.