Home / 1,519,253,722.60-2,278,561,715.35-428,481,698.92

Finding the Fourth Proportional to 1,519,253,722.60, 2,278,561,715.35 and 428,481,698.92

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Solution

The fourth proportional to 1,519,253,722.60, 2,278,561,715.35 and 428,481,698.92 is: 642,632,616.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,253,722.60 : 2,278,561,715.35 = 428,481,698.92 : x
  2. Step 2: Convert to fraction form
    1,519,253,722.60/2,278,561,715.35 = 428,481,698.92/x
  3. Step 3: Cross multiply
    1,519,253,722.60x = 2,278,561,715.35 × 428,481,698.92
  4. Step 4: Simplify right side
    1,519,253,722.60x = 976,321,994,880,469,760
  5. Step 5: Solve for x
    x = 976,321,994,880,469,760/1,519,253,722.60
  6. Step 6: Final answer
    x = 642,632,616.50

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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.