Home / 191,200,669,819.38-263,880,061,583.40-108,821,458,667.61

Finding the Fourth Proportional to 191,200,669,819.38, 263,880,061,583.40 and 108,821,458,667.61

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Solution

The fourth proportional to 191,200,669,819.38, 263,880,061,583.40 and 108,821,458,667.61 is: 150,186,781,468.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,200,669,819.38 : 263,880,061,583.40 = 108,821,458,667.61 : x
  2. Step 2: Convert to fraction form
    191,200,669,819.38/263,880,061,583.40 = 108,821,458,667.61/x
  3. Step 3: Cross multiply
    191,200,669,819.38x = 263,880,061,583.40 × 108,821,458,667.61
  4. Step 4: Simplify right side
    191,200,669,819.38x = 28,715,813,214,804,342,996,992
  5. Step 5: Solve for x
    x = 28,715,813,214,804,342,996,992/191,200,669,819.38
  6. Step 6: Final answer
    x = 150,186,781,468.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.