Home / 354,367,916.30-531,551,874.46-217,609,849.10

Finding the Fourth Proportional to 354,367,916.30, 531,551,874.46 and 217,609,849.10

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Solution

The fourth proportional to 354,367,916.30, 531,551,874.46 and 217,609,849.10 is: 326,414,773.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,367,916.30 : 531,551,874.46 = 217,609,849.10 : x
  2. Step 2: Convert to fraction form
    354,367,916.30/531,551,874.46 = 217,609,849.10/x
  3. Step 3: Cross multiply
    354,367,916.30x = 531,551,874.46 × 217,609,849.10
  4. Step 4: Simplify right side
    354,367,916.30x = 115,670,923,190,062,736
  5. Step 5: Solve for x
    x = 115,670,923,190,062,736/354,367,916.30
  6. Step 6: Final answer
    x = 326,414,773.66

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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.