Home / 485,839,249.63-670,456,133.82-262,820,376.61

Finding the Fourth Proportional to 485,839,249.63, 670,456,133.82 and 262,820,376.61

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Solution

The fourth proportional to 485,839,249.63, 670,456,133.82 and 262,820,376.61 is: 362,691,021.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,839,249.63 : 670,456,133.82 = 262,820,376.61 : x
  2. Step 2: Convert to fraction form
    485,839,249.63/670,456,133.82 = 262,820,376.61/x
  3. Step 3: Cross multiply
    485,839,249.63x = 670,456,133.82 × 262,820,376.61
  4. Step 4: Simplify right side
    485,839,249.63x = 176,209,533,589,380,832
  5. Step 5: Solve for x
    x = 176,209,533,589,380,832/485,839,249.63
  6. Step 6: Final answer
    x = 362,691,021.21

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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.