Home / 12,664,099,016.64-18,999,066,901.68-4,382,986,161.60

Finding the Fourth Proportional to 12,664,099,016.64, 18,999,066,901.68 and 4,382,986,161.60

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Solution

The fourth proportional to 12,664,099,016.64, 18,999,066,901.68 and 4,382,986,161.60 is: 6,575,489,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,664,099,016.64 : 18,999,066,901.68 = 4,382,986,161.60 : x
  2. Step 2: Convert to fraction form
    12,664,099,016.64/18,999,066,901.68 = 4,382,986,161.60/x
  3. Step 3: Cross multiply
    12,664,099,016.64x = 18,999,066,901.68 × 4,382,986,161.60
  4. Step 4: Simplify right side
    12,664,099,016.64x = 83,272,647,313,376,034,816
  5. Step 5: Solve for x
    x = 83,272,647,313,376,034,816/12,664,099,016.64
  6. Step 6: Final answer
    x = 6,575,489,279.10

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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.