Home / 18,394,988,208.96-25,389,806,872.25-11,980,791,788.60

Finding the Fourth Proportional to 18,394,988,208.96, 25,389,806,872.25 and 11,980,791,788.60

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Solution

The fourth proportional to 18,394,988,208.96, 25,389,806,872.25 and 11,980,791,788.60 is: 16,536,568,886.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394,988,208.96 : 25,389,806,872.25 = 11,980,791,788.60 : x
  2. Step 2: Convert to fraction form
    18,394,988,208.96/25,389,806,872.25 = 11,980,791,788.60/x
  3. Step 3: Cross multiply
    18,394,988,208.96x = 25,389,806,872.25 × 11,980,791,788.60
  4. Step 4: Simplify right side
    18,394,988,208.96x = 304,189,989,689,140,445,184
  5. Step 5: Solve for x
    x = 304,189,989,689,140,445,184/18,394,988,208.96
  6. Step 6: Final answer
    x = 16,536,568,886.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.