Home / 12,420,294,964,963-18,630,821,992,599-4,261,120,787,742

Finding the Fourth Proportional to 12,420,294,964,963, 18,630,821,992,599 and 4,261,120,787,742

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Solution

The fourth proportional to 12,420,294,964,963, 18,630,821,992,599 and 4,261,120,787,742 is: 6,391,811,394,925.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,420,294,964,963 : 18,630,821,992,599 = 4,261,120,787,742 : x
  2. Step 2: Convert to fraction form
    12,420,294,964,963/18,630,821,992,599 = 4,261,120,787,742/x
  3. Step 3: Cross multiply
    12,420,294,964,963x = 18,630,821,992,599 × 4,261,120,787,742
  4. Step 4: Simplify right side
    12,420,294,964,963x = 79,388,182,885,384,422,175,014,912
  5. Step 5: Solve for x
    x = 79,388,182,885,384,422,175,014,912/12,420,294,964,963
  6. Step 6: Final answer
    x = 6,391,811,394,925.35

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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.