Home / 454,922,981,999.52-627,813,449,390.57-251,926,752,653.84

Finding the Fourth Proportional to 454,922,981,999.52, 627,813,449,390.57 and 251,926,752,653.84

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Solution

The fourth proportional to 454,922,981,999.52, 627,813,449,390.57 and 251,926,752,653.84 is: 347,669,847,063.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,922,981,999.52 : 627,813,449,390.57 = 251,926,752,653.84 : x
  2. Step 2: Convert to fraction form
    454,922,981,999.52/627,813,449,390.57 = 251,926,752,653.84/x
  3. Step 3: Cross multiply
    454,922,981,999.52x = 627,813,449,390.57 × 251,926,752,653.84
  4. Step 4: Simplify right side
    454,922,981,999.52x = 158,163,003,577,372,222,947,328
  5. Step 5: Solve for x
    x = 158,163,003,577,372,222,947,328/454,922,981,999.52
  6. Step 6: Final answer
    x = 347,669,847,063.34

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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.