Home / 354,336,002.10-531,504,003.15-312,245,874.90

Finding the Fourth Proportional to 354,336,002.10, 531,504,003.15 and 312,245,874.90

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Solution

The fourth proportional to 354,336,002.10, 531,504,003.15 and 312,245,874.90 is: 468,368,812.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,336,002.10 : 531,504,003.15 = 312,245,874.90 : x
  2. Step 2: Convert to fraction form
    354,336,002.10/531,504,003.15 = 312,245,874.90/x
  3. Step 3: Cross multiply
    354,336,002.10x = 531,504,003.15 × 312,245,874.90
  4. Step 4: Simplify right side
    354,336,002.10x = 165,959,932,476,424,096
  5. Step 5: Solve for x
    x = 165,959,932,476,424,096/354,336,002.10
  6. Step 6: Final answer
    x = 468,368,812.35

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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.