Home / 326,723,999.10-490,085,998.65-252,747,411.90

Finding the Fourth Proportional to 326,723,999.10, 490,085,998.65 and 252,747,411.90

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Solution

The fourth proportional to 326,723,999.10, 490,085,998.65 and 252,747,411.90 is: 379,121,117.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,723,999.10 : 490,085,998.65 = 252,747,411.90 : x
  2. Step 2: Convert to fraction form
    326,723,999.10/490,085,998.65 = 252,747,411.90/x
  3. Step 3: Cross multiply
    326,723,999.10x = 490,085,998.65 × 252,747,411.90
  4. Step 4: Simplify right side
    326,723,999.10x = 123,867,967,767,214,384
  5. Step 5: Solve for x
    x = 123,867,967,767,214,384/326,723,999.10
  6. Step 6: Final answer
    x = 379,121,117.85

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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.