Home / 326,996,311.60-489,939,222.27-197,331,461.33

Finding the Fourth Proportional to 326,996,311.60, 489,939,222.27 and 197,331,461.33

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Solution

The fourth proportional to 326,996,311.60, 489,939,222.27 and 197,331,461.33 is: 295,662,119.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,996,311.60 : 489,939,222.27 = 197,331,461.33 : x
  2. Step 2: Convert to fraction form
    326,996,311.60/489,939,222.27 = 197,331,461.33/x
  3. Step 3: Cross multiply
    326,996,311.60x = 489,939,222.27 × 197,331,461.33
  4. Step 4: Simplify right side
    326,996,311.60x = 96,680,422,694,476,336
  5. Step 5: Solve for x
    x = 96,680,422,694,476,336/326,996,311.60
  6. Step 6: Final answer
    x = 295,662,119.92

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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.