Home / 12,420,294,964,984-18,630,821,992,629-4,261,120,787,763.20

Finding the Fourth Proportional to 12,420,294,964,984, 18,630,821,992,629 and 4,261,120,787,763.20

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Solution

The fourth proportional to 12,420,294,964,984, 18,630,821,992,629 and 4,261,120,787,763.20 is: 6,391,811,394,956.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,420,294,964,984 : 18,630,821,992,629 = 4,261,120,787,763.20 : x
  2. Step 2: Convert to fraction form
    12,420,294,964,984/18,630,821,992,629 = 4,261,120,787,763.20/x
  3. Step 3: Cross multiply
    12,420,294,964,984x = 18,630,821,992,629 × 4,261,120,787,763.20
  4. Step 4: Simplify right side
    12,420,294,964,984x = 79,388,182,885,907,239,954,022,400
  5. Step 5: Solve for x
    x = 79,388,182,885,907,239,954,022,400/12,420,294,964,984
  6. Step 6: Final answer
    x = 6,391,811,394,956.63

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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.