Home / 1,129,848,593.32-1,694,741,560.80-300,809,348.52

Finding the Fourth Proportional to 1,129,848,593.32, 1,694,741,560.80 and 300,809,348.52

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Solution

The fourth proportional to 1,129,848,593.32, 1,694,741,560.80 and 300,809,348.52 is: 451,205,681.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,848,593.32 : 1,694,741,560.80 = 300,809,348.52 : x
  2. Step 2: Convert to fraction form
    1,129,848,593.32/1,694,741,560.80 = 300,809,348.52/x
  3. Step 3: Cross multiply
    1,129,848,593.32x = 1,694,741,560.80 × 300,809,348.52
  4. Step 4: Simplify right side
    1,129,848,593.32x = 509,794,104,814,015,936
  5. Step 5: Solve for x
    x = 509,794,104,814,015,936/1,129,848,593.32
  6. Step 6: Final answer
    x = 451,205,681.74

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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.