Home / 356,223,517,234.95-491,584,961,366.55-193,633,489,392.84

Finding the Fourth Proportional to 356,223,517,234.95, 491,584,961,366.55 and 193,633,489,392.84

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Solution

The fourth proportional to 356,223,517,234.95, 491,584,961,366.55 and 193,633,489,392.84 is: 267,212,316,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,223,517,234.95 : 491,584,961,366.55 = 193,633,489,392.84 : x
  2. Step 2: Convert to fraction form
    356,223,517,234.95/491,584,961,366.55 = 193,633,489,392.84/x
  3. Step 3: Cross multiply
    356,223,517,234.95x = 491,584,961,366.55 × 193,633,489,392.84
  4. Step 4: Simplify right side
    356,223,517,234.95x = 95,187,311,402,449,515,839,488
  5. Step 5: Solve for x
    x = 95,187,311,402,449,515,839,488/356,223,517,234.95
  6. Step 6: Final answer
    x = 267,212,316,978.13

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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.