Home / 13,811,423,079.72-19,058,981,289.36-7,789,568,563.60

Finding the Fourth Proportional to 13,811,423,079.72, 19,058,981,289.36 and 7,789,568,563.60

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Solution

The fourth proportional to 13,811,423,079.72, 19,058,981,289.36 and 7,789,568,563.60 is: 10,749,163,257.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,811,423,079.72 : 19,058,981,289.36 = 7,789,568,563.60 : x
  2. Step 2: Convert to fraction form
    13,811,423,079.72/19,058,981,289.36 = 7,789,568,563.60/x
  3. Step 3: Cross multiply
    13,811,423,079.72x = 19,058,981,289.36 × 7,789,568,563.60
  4. Step 4: Simplify right side
    13,811,423,079.72x = 148,461,241,505,839,251,456
  5. Step 5: Solve for x
    x = 148,461,241,505,839,251,456/13,811,423,079.72
  6. Step 6: Final answer
    x = 10,749,163,257.76

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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.