Home / 800,416,440.45-1,104,322,893.17-447,936,425.73

Finding the Fourth Proportional to 800,416,440.45, 1,104,322,893.17 and 447,936,425.73

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Solution

The fourth proportional to 800,416,440.45, 1,104,322,893.17 and 447,936,425.73 is: 618,011,355.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,416,440.45 : 1,104,322,893.17 = 447,936,425.73 : x
  2. Step 2: Convert to fraction form
    800,416,440.45/1,104,322,893.17 = 447,936,425.73/x
  3. Step 3: Cross multiply
    800,416,440.45x = 1,104,322,893.17 × 447,936,425.73
  4. Step 4: Simplify right side
    800,416,440.45x = 494,666,449,616,142,720
  5. Step 5: Solve for x
    x = 494,666,449,616,142,720/800,416,440.45
  6. Step 6: Final answer
    x = 618,011,355.86

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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.