Home / 1,324,394,080,162.40-1,986,591,117,998.40-318,238,856,448.84

Finding the Fourth Proportional to 1,324,394,080,162.40, 1,986,591,117,998.40 and 318,238,856,448.84

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Solution

The fourth proportional to 1,324,394,080,162.40, 1,986,591,117,998.40 and 318,238,856,448.84 is: 477,358,284,133.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,394,080,162.40 : 1,986,591,117,998.40 = 318,238,856,448.84 : x
  2. Step 2: Convert to fraction form
    1,324,394,080,162.40/1,986,591,117,998.40 = 318,238,856,448.84/x
  3. Step 3: Cross multiply
    1,324,394,080,162.40x = 1,986,591,117,998.40 × 318,238,856,448.84
  4. Step 4: Simplify right side
    1,324,394,080,162.40x = 632,210,485,623,233,458,470,912
  5. Step 5: Solve for x
    x = 632,210,485,623,233,458,470,912/1,324,394,080,162.40
  6. Step 6: Final answer
    x = 477,358,284,133.76

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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.