Home / 3,099,530,142.96-4,647,115,278.24-1,439,675,131.20

Finding the Fourth Proportional to 3,099,530,142.96, 4,647,115,278.24 and 1,439,675,131.20

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Solution

The fourth proportional to 3,099,530,142.96, 4,647,115,278.24 and 1,439,675,131.20 is: 2,158,500,156.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099,530,142.96 : 4,647,115,278.24 = 1,439,675,131.20 : x
  2. Step 2: Convert to fraction form
    3,099,530,142.96/4,647,115,278.24 = 1,439,675,131.20/x
  3. Step 3: Cross multiply
    3,099,530,142.96x = 4,647,115,278.24 × 1,439,675,131.20
  4. Step 4: Simplify right side
    3,099,530,142.96x = 6,690,336,297,901,696,000
  5. Step 5: Solve for x
    x = 6,690,336,297,901,696,000/3,099,530,142.96
  6. Step 6: Final answer
    x = 2,158,500,156.26

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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.