Home / 275,217,858,044.80-412,826,787,067.20-86,621,563,999.60

Finding the Fourth Proportional to 275,217,858,044.80, 412,826,787,067.20 and 86,621,563,999.60

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Solution

The fourth proportional to 275,217,858,044.80, 412,826,787,067.20 and 86,621,563,999.60 is: 129,932,345,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,217,858,044.80 : 412,826,787,067.20 = 86,621,563,999.60 : x
  2. Step 2: Convert to fraction form
    275,217,858,044.80/412,826,787,067.20 = 86,621,563,999.60/x
  3. Step 3: Cross multiply
    275,217,858,044.80x = 412,826,787,067.20 × 86,621,563,999.60
  4. Step 4: Simplify right side
    275,217,858,044.80x = 35,759,701,956,690,708,529,152
  5. Step 5: Solve for x
    x = 35,759,701,956,690,708,529,152/275,217,858,044.80
  6. Step 6: Final answer
    x = 129,932,345,999.40

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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.