Home / 800,416,441.20-1,104,322,894.20-447,936,426.48

Finding the Fourth Proportional to 800,416,441.20, 1,104,322,894.20 and 447,936,426.48

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Solution

The fourth proportional to 800,416,441.20, 1,104,322,894.20 and 447,936,426.48 is: 618,011,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,416,441.20 : 1,104,322,894.20 = 447,936,426.48 : x
  2. Step 2: Convert to fraction form
    800,416,441.20/1,104,322,894.20 = 447,936,426.48/x
  3. Step 3: Cross multiply
    800,416,441.20x = 1,104,322,894.20 × 447,936,426.48
  4. Step 4: Simplify right side
    800,416,441.20x = 494,666,450,907,999,168
  5. Step 5: Solve for x
    x = 494,666,450,907,999,168/800,416,441.20
  6. Step 6: Final answer
    x = 618,011,356.90

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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.