Home / 12,420,294,964,964-18,630,821,992,600-4,261,120,787,743

Finding the Fourth Proportional to 12,420,294,964,964, 18,630,821,992,600 and 4,261,120,787,743

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Solution

The fourth proportional to 12,420,294,964,964, 18,630,821,992,600 and 4,261,120,787,743 is: 6,391,811,394,926.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,420,294,964,964 : 18,630,821,992,600 = 4,261,120,787,743 : x
  2. Step 2: Convert to fraction form
    12,420,294,964,964/18,630,821,992,600 = 4,261,120,787,743/x
  3. Step 3: Cross multiply
    12,420,294,964,964x = 18,630,821,992,600 × 4,261,120,787,743
  4. Step 4: Simplify right side
    12,420,294,964,964x = 79,388,182,885,407,322,940,637,184
  5. Step 5: Solve for x
    x = 79,388,182,885,407,322,940,637,184/12,420,294,964,964
  6. Step 6: Final answer
    x = 6,391,811,394,926.68

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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.