Home / 327,443,156.35-490,922,595.62-198,021,993.92

Finding the Fourth Proportional to 327,443,156.35, 490,922,595.62 and 198,021,993.92

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Solution

The fourth proportional to 327,443,156.35, 490,922,595.62 and 198,021,993.92 is: 296,886,556.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,443,156.35 : 490,922,595.62 = 198,021,993.92 : x
  2. Step 2: Convert to fraction form
    327,443,156.35/490,922,595.62 = 198,021,993.92/x
  3. Step 3: Cross multiply
    327,443,156.35x = 490,922,595.62 × 198,021,993.92
  4. Step 4: Simplify right side
    327,443,156.35x = 97,213,471,243,450,496
  5. Step 5: Solve for x
    x = 97,213,471,243,450,496/327,443,156.35
  6. Step 6: Final answer
    x = 296,886,556.82

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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.