Home / 7,870,523,481.34-11,805,785,222.82-2,630,131,691.29

Finding the Fourth Proportional to 7,870,523,481.34, 11,805,785,222.82 and 2,630,131,691.29

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Solution

The fourth proportional to 7,870,523,481.34, 11,805,785,222.82 and 2,630,131,691.29 is: 3,945,197,537.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870,523,481.34 : 11,805,785,222.82 = 2,630,131,691.29 : x
  2. Step 2: Convert to fraction form
    7,870,523,481.34/11,805,785,222.82 = 2,630,131,691.29/x
  3. Step 3: Cross multiply
    7,870,523,481.34x = 11,805,785,222.82 × 2,630,131,691.29
  4. Step 4: Simplify right side
    7,870,523,481.34x = 31,050,769,855,102,054,400
  5. Step 5: Solve for x
    x = 31,050,769,855,102,054,400/7,870,523,481.34
  6. Step 6: Final answer
    x = 3,945,197,537.21

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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.