Home / 451,385,891.58-622,980,618.12-275,276,045.88

Finding the Fourth Proportional to 451,385,891.58, 622,980,618.12 and 275,276,045.88

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Solution

The fourth proportional to 451,385,891.58, 622,980,618.12 and 275,276,045.88 is: 379,922,466.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,385,891.58 : 622,980,618.12 = 275,276,045.88 : x
  2. Step 2: Convert to fraction form
    451,385,891.58/622,980,618.12 = 275,276,045.88/x
  3. Step 3: Cross multiply
    451,385,891.58x = 622,980,618.12 × 275,276,045.88
  4. Step 4: Simplify right side
    451,385,891.58x = 171,491,641,215,951,872
  5. Step 5: Solve for x
    x = 171,491,641,215,951,872/451,385,891.58
  6. Step 6: Final answer
    x = 379,922,466.38

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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.