Home / 326,945,194.80-489,862,828.80-197,280,346.20

Finding the Fourth Proportional to 326,945,194.80, 489,862,828.80 and 197,280,346.20

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Solution

The fourth proportional to 326,945,194.80, 489,862,828.80 and 197,280,346.20 is: 295,585,651.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,945,194.80 : 489,862,828.80 = 197,280,346.20 : x
  2. Step 2: Convert to fraction form
    326,945,194.80/489,862,828.80 = 197,280,346.20/x
  3. Step 3: Cross multiply
    326,945,194.80x = 489,862,828.80 × 197,280,346.20
  4. Step 4: Simplify right side
    326,945,194.80x = 96,640,308,456,175,328
  5. Step 5: Solve for x
    x = 96,640,308,456,175,328/326,945,194.80
  6. Step 6: Final answer
    x = 295,585,651.64

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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.