Home / 12,531,311,919.45-18,799,109,355.06-5,166,296,536.41

Finding the Fourth Proportional to 12,531,311,919.45, 18,799,109,355.06 and 5,166,296,536.41

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Solution

The fourth proportional to 12,531,311,919.45, 18,799,109,355.06 and 5,166,296,536.41 is: 7,750,327,673.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531,311,919.45 : 18,799,109,355.06 = 5,166,296,536.41 : x
  2. Step 2: Convert to fraction form
    12,531,311,919.45/18,799,109,355.06 = 5,166,296,536.41/x
  3. Step 3: Cross multiply
    12,531,311,919.45x = 18,799,109,355.06 × 5,166,296,536.41
  4. Step 4: Simplify right side
    12,531,311,919.45x = 97,121,773,548,639,305,728
  5. Step 5: Solve for x
    x = 97,121,773,548,639,305,728/12,531,311,919.45
  6. Step 6: Final answer
    x = 7,750,327,673.03

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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.