Home / 7,978,143,090.20-11,967,214,635.30-2,456,683,676.60

Finding the Fourth Proportional to 7,978,143,090.20, 11,967,214,635.30 and 2,456,683,676.60

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Solution

The fourth proportional to 7,978,143,090.20, 11,967,214,635.30 and 2,456,683,676.60 is: 3,685,025,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,978,143,090.20 : 11,967,214,635.30 = 2,456,683,676.60 : x
  2. Step 2: Convert to fraction form
    7,978,143,090.20/11,967,214,635.30 = 2,456,683,676.60/x
  3. Step 3: Cross multiply
    7,978,143,090.20x = 11,967,214,635.30 × 2,456,683,676.60
  4. Step 4: Simplify right side
    7,978,143,090.20x = 29,399,660,848,910,127,104
  5. Step 5: Solve for x
    x = 29,399,660,848,910,127,104/7,978,143,090.20
  6. Step 6: Final answer
    x = 3,685,025,514.90

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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.