Home / 327,443,161.98-490,922,604.06-198,021,999.54

Finding the Fourth Proportional to 327,443,161.98, 490,922,604.06 and 198,021,999.54

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Solution

The fourth proportional to 327,443,161.98, 490,922,604.06 and 198,021,999.54 is: 296,886,565.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,443,161.98 : 490,922,604.06 = 198,021,999.54 : x
  2. Step 2: Convert to fraction form
    327,443,161.98/490,922,604.06 = 198,021,999.54/x
  3. Step 3: Cross multiply
    327,443,161.98x = 490,922,604.06 × 198,021,999.54
  4. Step 4: Simplify right side
    327,443,161.98x = 97,213,475,675,344,912
  5. Step 5: Solve for x
    x = 97,213,475,675,344,912/327,443,161.98
  6. Step 6: Final answer
    x = 296,886,565.25

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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.