Home / 326,560,094.40-489,168,295.20-165,093,009.60

Finding the Fourth Proportional to 326,560,094.40, 489,168,295.20 and 165,093,009.60

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Solution

The fourth proportional to 326,560,094.40, 489,168,295.20 and 165,093,009.60 is: 247,299,861.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,560,094.40 : 489,168,295.20 = 165,093,009.60 : x
  2. Step 2: Convert to fraction form
    326,560,094.40/489,168,295.20 = 165,093,009.60/x
  3. Step 3: Cross multiply
    326,560,094.40x = 489,168,295.20 × 165,093,009.60
  4. Step 4: Simplify right side
    326,560,094.40x = 80,758,266,055,469,232
  5. Step 5: Solve for x
    x = 80,758,266,055,469,232/326,560,094.40
  6. Step 6: Final answer
    x = 247,299,861.31

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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.