Home / 5,215,537,660.60-7,820,619,105.30-1,942,301,999.80

Finding the Fourth Proportional to 5,215,537,660.60, 7,820,619,105.30 and 1,942,301,999.80

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Solution

The fourth proportional to 5,215,537,660.60, 7,820,619,105.30 and 1,942,301,999.80 is: 2,912,452,198.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,537,660.60 : 7,820,619,105.30 = 1,942,301,999.80 : x
  2. Step 2: Convert to fraction form
    5,215,537,660.60/7,820,619,105.30 = 1,942,301,999.80/x
  3. Step 3: Cross multiply
    5,215,537,660.60x = 7,820,619,105.30 × 1,942,301,999.80
  4. Step 4: Simplify right side
    5,215,537,660.60x = 15,190,004,127,898,275,840
  5. Step 5: Solve for x
    x = 15,190,004,127,898,275,840/5,215,537,660.60
  6. Step 6: Final answer
    x = 2,912,452,198.87

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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.