Home / 21,715,382,816.82-32,573,399,147.82-8,270,409,247.20

Finding the Fourth Proportional to 21,715,382,816.82, 32,573,399,147.82 and 8,270,409,247.20

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Solution

The fourth proportional to 21,715,382,816.82, 32,573,399,147.82 and 8,270,409,247.20 is: 12,405,737,619.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,715,382,816.82 : 32,573,399,147.82 = 8,270,409,247.20 : x
  2. Step 2: Convert to fraction form
    21,715,382,816.82/32,573,399,147.82 = 8,270,409,247.20/x
  3. Step 3: Cross multiply
    21,715,382,816.82x = 32,573,399,147.82 × 8,270,409,247.20
  4. Step 4: Simplify right side
    21,715,382,816.82x = 269,395,341,524,867,121,152
  5. Step 5: Solve for x
    x = 269,395,341,524,867,121,152/21,715,382,816.82
  6. Step 6: Final answer
    x = 12,405,737,619.15

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1.5x scale

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.