Home / 8,231,988,720.86-12,339,268,110.37-2,768,968,530.36

Finding the Fourth Proportional to 8,231,988,720.86, 12,339,268,110.37 and 2,768,968,530.36

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Solution

The fourth proportional to 8,231,988,720.86, 12,339,268,110.37 and 2,768,968,530.36 is: 4,150,521,367.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231,988,720.86 : 12,339,268,110.37 = 2,768,968,530.36 : x
  2. Step 2: Convert to fraction form
    8,231,988,720.86/12,339,268,110.37 = 2,768,968,530.36/x
  3. Step 3: Cross multiply
    8,231,988,720.86x = 12,339,268,110.37 × 2,768,968,530.36
  4. Step 4: Simplify right side
    8,231,988,720.86x = 34,167,045,085,249,146,880
  5. Step 5: Solve for x
    x = 34,167,045,085,249,146,880/8,231,988,720.86
  6. Step 6: Final answer
    x = 4,150,521,367.78

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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.