Home / 2,642,777,126.77-3,647,128,324.97-1,513,965,054.57

Finding the Fourth Proportional to 2,642,777,126.77, 3,647,128,324.97 and 1,513,965,054.57

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Solution

The fourth proportional to 2,642,777,126.77, 3,647,128,324.97 and 1,513,965,054.57 is: 2,089,326,707.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,777,126.77 : 3,647,128,324.97 = 1,513,965,054.57 : x
  2. Step 2: Convert to fraction form
    2,642,777,126.77/3,647,128,324.97 = 1,513,965,054.57/x
  3. Step 3: Cross multiply
    2,642,777,126.77x = 3,647,128,324.97 × 1,513,965,054.57
  4. Step 4: Simplify right side
    2,642,777,126.77x = 5,521,624,833,536,998,400
  5. Step 5: Solve for x
    x = 5,521,624,833,536,998,400/2,642,777,126.77
  6. Step 6: Final answer
    x = 2,089,326,707.73

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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.