Home / 485,508,722,262.12-669,987,491,432.04-268,743,801,907.08

Finding the Fourth Proportional to 485,508,722,262.12, 669,987,491,432.04 and 268,743,801,907.08

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Solution

The fourth proportional to 485,508,722,262.12, 669,987,491,432.04 and 268,743,801,907.08 is: 370,858,395,372.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,508,722,262.12 : 669,987,491,432.04 = 268,743,801,907.08 : x
  2. Step 2: Convert to fraction form
    485,508,722,262.12/669,987,491,432.04 = 268,743,801,907.08/x
  3. Step 3: Cross multiply
    485,508,722,262.12x = 669,987,491,432.04 × 268,743,801,907.08
  4. Step 4: Simplify right side
    485,508,722,262.12x = 180,054,985,677,633,610,579,968
  5. Step 5: Solve for x
    x = 180,054,985,677,633,610,579,968/485,508,722,262.12
  6. Step 6: Final answer
    x = 370,858,395,372.81

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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.