Home / 327,629,788.65-491,444,682.98-155,442,904.65

Finding the Fourth Proportional to 327,629,788.65, 491,444,682.98 and 155,442,904.65

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Solution

The fourth proportional to 327,629,788.65, 491,444,682.98 and 155,442,904.65 is: 233,164,356.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,629,788.65 : 491,444,682.98 = 155,442,904.65 : x
  2. Step 2: Convert to fraction form
    327,629,788.65/491,444,682.98 = 155,442,904.65/x
  3. Step 3: Cross multiply
    327,629,788.65x = 491,444,682.98 × 155,442,904.65
  4. Step 4: Simplify right side
    327,629,788.65x = 76,391,588,996,432,416
  5. Step 5: Solve for x
    x = 76,391,588,996,432,416/327,629,788.65
  6. Step 6: Final answer
    x = 233,164,356.98

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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.