Home / 12,420,294,964,979-18,630,821,992,622-4,261,120,787,758.20

Finding the Fourth Proportional to 12,420,294,964,979, 18,630,821,992,622 and 4,261,120,787,758.20

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Solution

The fourth proportional to 12,420,294,964,979, 18,630,821,992,622 and 4,261,120,787,758.20 is: 6,391,811,394,949.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,420,294,964,979 : 18,630,821,992,622 = 4,261,120,787,758.20 : x
  2. Step 2: Convert to fraction form
    12,420,294,964,979/18,630,821,992,622 = 4,261,120,787,758.20/x
  3. Step 3: Cross multiply
    12,420,294,964,979x = 18,630,821,992,622 × 4,261,120,787,758.20
  4. Step 4: Simplify right side
    12,420,294,964,979x = 79,388,182,885,784,249,270,534,144
  5. Step 5: Solve for x
    x = 79,388,182,885,784,249,270,534,144/12,420,294,964,979
  6. Step 6: Final answer
    x = 6,391,811,394,949.31

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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.