Home / 326,615,960.40-489,923,940.60-217,776,843.60

Finding the Fourth Proportional to 326,615,960.40, 489,923,940.60 and 217,776,843.60

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Solution

The fourth proportional to 326,615,960.40, 489,923,940.60 and 217,776,843.60 is: 326,665,265.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,615,960.40 : 489,923,940.60 = 217,776,843.60 : x
  2. Step 2: Convert to fraction form
    326,615,960.40/489,923,940.60 = 217,776,843.60/x
  3. Step 3: Cross multiply
    326,615,960.40x = 489,923,940.60 × 217,776,843.60
  4. Step 4: Simplify right side
    326,615,960.40x = 106,694,089,387,941,888
  5. Step 5: Solve for x
    x = 106,694,089,387,941,888/326,615,960.40
  6. Step 6: Final answer
    x = 326,665,265.40

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1.5x scale

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.