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Finding the Fourth Proportional to 326,554,798.88, 489,832,872.24 and 306,600,960.80

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Solution

The fourth proportional to 326,554,798.88, 489,832,872.24 and 306,600,960.80 is: 459,902,073.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,554,798.88 : 489,832,872.24 = 306,600,960.80 : x
  2. Step 2: Convert to fraction form
    326,554,798.88/489,832,872.24 = 306,600,960.80/x
  3. Step 3: Cross multiply
    326,554,798.88x = 489,832,872.24 × 306,600,960.80
  4. Step 4: Simplify right side
    326,554,798.88x = 150,183,229,260,207,648
  5. Step 5: Solve for x
    x = 150,183,229,260,207,648/326,554,798.88
  6. Step 6: Final answer
    x = 459,902,073.94

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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.