Home / 485,589,941.80-728,384,912.70-158,096,314.60

Finding the Fourth Proportional to 485,589,941.80, 728,384,912.70 and 158,096,314.60

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Solution

The fourth proportional to 485,589,941.80, 728,384,912.70 and 158,096,314.60 is: 237,144,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,589,941.80 : 728,384,912.70 = 158,096,314.60 : x
  2. Step 2: Convert to fraction form
    485,589,941.80/728,384,912.70 = 158,096,314.60/x
  3. Step 3: Cross multiply
    485,589,941.80x = 728,384,912.70 × 158,096,314.60
  4. Step 4: Simplify right side
    485,589,941.80x = 115,154,970,308,112,736
  5. Step 5: Solve for x
    x = 115,154,970,308,112,736/485,589,941.80
  6. Step 6: Final answer
    x = 237,144,471.90

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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.