Home / 298,647,682.60-447,971,523.90-247,629,346.60

Finding the Fourth Proportional to 298,647,682.60, 447,971,523.90 and 247,629,346.60

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Solution

The fourth proportional to 298,647,682.60, 447,971,523.90 and 247,629,346.60 is: 371,444,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,647,682.60 : 447,971,523.90 = 247,629,346.60 : x
  2. Step 2: Convert to fraction form
    298,647,682.60/447,971,523.90 = 247,629,346.60/x
  3. Step 3: Cross multiply
    298,647,682.60x = 447,971,523.90 × 247,629,346.60
  4. Step 4: Simplify right side
    298,647,682.60x = 110,930,895,758,763,280
  5. Step 5: Solve for x
    x = 110,930,895,758,763,280/298,647,682.60
  6. Step 6: Final answer
    x = 371,444,019.90

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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.