Home / 10,215,190,919.80-15,322,786,379.70-10,215,190,919.80

Finding the Fourth Proportional to 10,215,190,919.80, 15,322,786,379.70 and 10,215,190,919.80

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Solution

The fourth proportional to 10,215,190,919.80, 15,322,786,379.70 and 10,215,190,919.80 is: 15,322,786,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215,190,919.80 : 15,322,786,379.70 = 10,215,190,919.80 : x
  2. Step 2: Convert to fraction form
    10,215,190,919.80/15,322,786,379.70 = 10,215,190,919.80/x
  3. Step 3: Cross multiply
    10,215,190,919.80x = 15,322,786,379.70 × 10,215,190,919.80
  4. Step 4: Simplify right side
    10,215,190,919.80x = 156,525,188,291,946,545,152
  5. Step 5: Solve for x
    x = 156,525,188,291,946,545,152/10,215,190,919.80
  6. Step 6: Final answer
    x = 15,322,786,379.70

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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.