Home / 800,385,176.27-1,200,692,516.30-247,736,137.43

Finding the Fourth Proportional to 800,385,176.27, 1,200,692,516.30 and 247,736,137.43

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Solution

The fourth proportional to 800,385,176.27, 1,200,692,516.30 and 247,736,137.43 is: 371,639,724.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,385,176.27 : 1,200,692,516.30 = 247,736,137.43 : x
  2. Step 2: Convert to fraction form
    800,385,176.27/1,200,692,516.30 = 247,736,137.43/x
  3. Step 3: Cross multiply
    800,385,176.27x = 1,200,692,516.30 × 247,736,137.43
  4. Step 4: Simplify right side
    800,385,176.27x = 297,454,926,231,973,760
  5. Step 5: Solve for x
    x = 297,454,926,231,973,760/800,385,176.27
  6. Step 6: Final answer
    x = 371,639,724.29

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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.