Home / 10,190,930,092.80-15,279,287,985.36-4,515,431,764.32

Finding the Fourth Proportional to 10,190,930,092.80, 15,279,287,985.36 and 4,515,431,764.32

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Solution

The fourth proportional to 10,190,930,092.80, 15,279,287,985.36 and 4,515,431,764.32 is: 6,769,998,584.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190,930,092.80 : 15,279,287,985.36 = 4,515,431,764.32 : x
  2. Step 2: Convert to fraction form
    10,190,930,092.80/15,279,287,985.36 = 4,515,431,764.32/x
  3. Step 3: Cross multiply
    10,190,930,092.80x = 15,279,287,985.36 × 4,515,431,764.32
  4. Step 4: Simplify right side
    10,190,930,092.80x = 68,992,582,305,287,479,296
  5. Step 5: Solve for x
    x = 68,992,582,305,287,479,296/10,190,930,092.80
  6. Step 6: Final answer
    x = 6,769,998,584.73

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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.