Home / 26,786,944,076.80-40,180,416,115.20-20,975,821,081.60

Finding the Fourth Proportional to 26,786,944,076.80, 40,180,416,115.20 and 20,975,821,081.60

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Solution

The fourth proportional to 26,786,944,076.80, 40,180,416,115.20 and 20,975,821,081.60 is: 31,463,731,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,786,944,076.80 : 40,180,416,115.20 = 20,975,821,081.60 : x
  2. Step 2: Convert to fraction form
    26,786,944,076.80/40,180,416,115.20 = 20,975,821,081.60/x
  3. Step 3: Cross multiply
    26,786,944,076.80x = 40,180,416,115.20 × 20,975,821,081.60
  4. Step 4: Simplify right side
    26,786,944,076.80x = 842,817,219,416,672,436,224
  5. Step 5: Solve for x
    x = 842,817,219,416,672,436,224/26,786,944,076.80
  6. Step 6: Final answer
    x = 31,463,731,622.40

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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.