Home / 12,241,743,863.70-18,369,613,200.45-6,646,135,912.46

Finding the Fourth Proportional to 12,241,743,863.70, 18,369,613,200.45 and 6,646,135,912.46

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Solution

The fourth proportional to 12,241,743,863.70, 18,369,613,200.45 and 6,646,135,912.46 is: 9,973,002,813.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241,743,863.70 : 18,369,613,200.45 = 6,646,135,912.46 : x
  2. Step 2: Convert to fraction form
    12,241,743,863.70/18,369,613,200.45 = 6,646,135,912.46/x
  3. Step 3: Cross multiply
    12,241,743,863.70x = 18,369,613,200.45 × 6,646,135,912.46
  4. Step 4: Simplify right side
    12,241,743,863.70x = 122,086,945,989,510,021,120
  5. Step 5: Solve for x
    x = 122,086,945,989,510,021,120/12,241,743,863.70
  6. Step 6: Final answer
    x = 9,973,002,813.07

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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.