Home / 323,504,010.60-485,256,015.90-266,061,143.40

Finding the Fourth Proportional to 323,504,010.60, 485,256,015.90 and 266,061,143.40

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Solution

The fourth proportional to 323,504,010.60, 485,256,015.90 and 266,061,143.40 is: 399,091,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,504,010.60 : 485,256,015.90 = 266,061,143.40 : x
  2. Step 2: Convert to fraction form
    323,504,010.60/485,256,015.90 = 266,061,143.40/x
  3. Step 3: Cross multiply
    323,504,010.60x = 485,256,015.90 × 266,061,143.40
  4. Step 4: Simplify right side
    323,504,010.60x = 129,107,770,432,082,576
  5. Step 5: Solve for x
    x = 129,107,770,432,082,576/323,504,010.60
  6. Step 6: Final answer
    x = 399,091,715.10

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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.