Home / 298,647,680.10-447,971,520.15-247,629,344.10

Finding the Fourth Proportional to 298,647,680.10, 447,971,520.15 and 247,629,344.10

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Solution

The fourth proportional to 298,647,680.10, 447,971,520.15 and 247,629,344.10 is: 371,444,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,647,680.10 : 447,971,520.15 = 247,629,344.10 : x
  2. Step 2: Convert to fraction form
    298,647,680.10/447,971,520.15 = 247,629,344.10/x
  3. Step 3: Cross multiply
    298,647,680.10x = 447,971,520.15 × 247,629,344.10
  4. Step 4: Simplify right side
    298,647,680.10x = 110,930,893,710,224,432
  5. Step 5: Solve for x
    x = 110,930,893,710,224,432/298,647,680.10
  6. Step 6: Final answer
    x = 371,444,016.15

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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.