Home / 13,561,324,931.30-18,715,675,550.61-8,136,063,978.23

Finding the Fourth Proportional to 13,561,324,931.30, 18,715,675,550.61 and 8,136,063,978.23

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Solution

The fourth proportional to 13,561,324,931.30, 18,715,675,550.61 and 8,136,063,978.23 is: 11,228,396,520.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561,324,931.30 : 18,715,675,550.61 = 8,136,063,978.23 : x
  2. Step 2: Convert to fraction form
    13,561,324,931.30/18,715,675,550.61 = 8,136,063,978.23/x
  3. Step 3: Cross multiply
    13,561,324,931.30x = 18,715,675,550.61 × 8,136,063,978.23
  4. Step 4: Simplify right side
    13,561,324,931.30x = 152,271,933,675,557,945,344
  5. Step 5: Solve for x
    x = 152,271,933,675,557,945,344/13,561,324,931.30
  6. Step 6: Final answer
    x = 11,228,396,520.76

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1.5x scale

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.