Home / 10,968,954,039.56-15,141,790,793.25-7,405,488,016.67

Finding the Fourth Proportional to 10,968,954,039.56, 15,141,790,793.25 and 7,405,488,016.67

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Solution

The fourth proportional to 10,968,954,039.56, 15,141,790,793.25 and 7,405,488,016.67 is: 10,222,702,170.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,968,954,039.56 : 15,141,790,793.25 = 7,405,488,016.67 : x
  2. Step 2: Convert to fraction form
    10,968,954,039.56/15,141,790,793.25 = 7,405,488,016.67/x
  3. Step 3: Cross multiply
    10,968,954,039.56x = 15,141,790,793.25 × 7,405,488,016.67
  4. Step 4: Simplify right side
    10,968,954,039.56x = 112,132,350,270,261,297,152
  5. Step 5: Solve for x
    x = 112,132,350,270,261,297,152/10,968,954,039.56
  6. Step 6: Final answer
    x = 10,222,702,170.68

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Why These Related Problems?

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