Home / 7,929,970,815.47-11,896,311,375.87-3,269,297,018.39

Finding the Fourth Proportional to 7,929,970,815.47, 11,896,311,375.87 and 3,269,297,018.39

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Solution

The fourth proportional to 7,929,970,815.47, 11,896,311,375.87 and 3,269,297,018.39 is: 4,904,504,217.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929,970,815.47 : 11,896,311,375.87 = 3,269,297,018.39 : x
  2. Step 2: Convert to fraction form
    7,929,970,815.47/11,896,311,375.87 = 3,269,297,018.39/x
  3. Step 3: Cross multiply
    7,929,970,815.47x = 11,896,311,375.87 × 3,269,297,018.39
  4. Step 4: Simplify right side
    7,929,970,815.47x = 38,892,575,310,970,830,848
  5. Step 5: Solve for x
    x = 38,892,575,310,970,830,848/7,929,970,815.47
  6. Step 6: Final answer
    x = 4,904,504,217.73

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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.