Home / 12,420,294,964,145-18,630,821,991,371-4,261,120,786,924.40

Finding the Fourth Proportional to 12,420,294,964,145, 18,630,821,991,371 and 4,261,120,786,924.40

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Solution

The fourth proportional to 12,420,294,964,145, 18,630,821,991,371 and 4,261,120,786,924.40 is: 6,391,811,393,698.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,420,294,964,145 : 18,630,821,991,371 = 4,261,120,786,924.40 : x
  2. Step 2: Convert to fraction form
    12,420,294,964,145/18,630,821,991,371 = 4,261,120,786,924.40/x
  3. Step 3: Cross multiply
    12,420,294,964,145x = 18,630,821,991,371 × 4,261,120,786,924.40
  4. Step 4: Simplify right side
    12,420,294,964,145x = 79,388,182,864,919,212,247,220,224
  5. Step 5: Solve for x
    x = 79,388,182,864,919,212,247,220,224/12,420,294,964,145
  6. Step 6: Final answer
    x = 6,391,811,393,698.59

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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.