Home / 2,172,815,588.48-2,998,557,939.52-1,220,364,172.16

Finding the Fourth Proportional to 2,172,815,588.48, 2,998,557,939.52 and 1,220,364,172.16

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Solution

The fourth proportional to 2,172,815,588.48, 2,998,557,939.52 and 1,220,364,172.16 is: 1,684,143,236.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,815,588.48 : 2,998,557,939.52 = 1,220,364,172.16 : x
  2. Step 2: Convert to fraction form
    2,172,815,588.48/2,998,557,939.52 = 1,220,364,172.16/x
  3. Step 3: Cross multiply
    2,172,815,588.48x = 2,998,557,939.52 × 1,220,364,172.16
  4. Step 4: Simplify right side
    2,172,815,588.48x = 3,659,332,677,536,120,320
  5. Step 5: Solve for x
    x = 3,659,332,677,536,120,320/2,172,815,588.48
  6. Step 6: Final answer
    x = 1,684,143,236.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.