Home / 326,272,888.86-489,404,541.36-80,629,517.09

Finding the Fourth Proportional to 326,272,888.86, 489,404,541.36 and 80,629,517.09

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Solution

The fourth proportional to 326,272,888.86, 489,404,541.36 and 80,629,517.09 is: 120,943,091.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,272,888.86 : 489,404,541.36 = 80,629,517.09 : x
  2. Step 2: Convert to fraction form
    326,272,888.86/489,404,541.36 = 80,629,517.09/x
  3. Step 3: Cross multiply
    326,272,888.86x = 489,404,541.36 × 80,629,517.09
  4. Step 4: Simplify right side
    326,272,888.86x = 39,460,451,829,062,704
  5. Step 5: Solve for x
    x = 39,460,451,829,062,704/326,272,888.86
  6. Step 6: Final answer
    x = 120,943,091.43

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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.