Home / 203,960,013,279.34-305,940,593,878.08-78,229,150,582.54

Finding the Fourth Proportional to 203,960,013,279.34, 305,940,593,878.08 and 78,229,150,582.54

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Solution

The fourth proportional to 203,960,013,279.34, 305,940,593,878.08 and 78,229,150,582.54 is: 117,343,946,016.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,960,013,279.34 : 305,940,593,878.08 = 78,229,150,582.54 : x
  2. Step 2: Convert to fraction form
    203,960,013,279.34/305,940,593,878.08 = 78,229,150,582.54/x
  3. Step 3: Cross multiply
    203,960,013,279.34x = 305,940,593,878.08 × 78,229,150,582.54
  4. Step 4: Simplify right side
    203,960,013,279.34x = 23,933,472,787,800,034,115,584
  5. Step 5: Solve for x
    x = 23,933,472,787,800,034,115,584/203,960,013,279.34
  6. Step 6: Final answer
    x = 117,343,946,016.62

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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.