Home / 454,922,981,999.67-627,813,449,390.75-251,926,752,653.95

Finding the Fourth Proportional to 454,922,981,999.67, 627,813,449,390.75 and 251,926,752,653.95

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Solution

The fourth proportional to 454,922,981,999.67, 627,813,449,390.75 and 251,926,752,653.95 is: 347,669,847,063.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,922,981,999.67 : 627,813,449,390.75 = 251,926,752,653.95 : x
  2. Step 2: Convert to fraction form
    454,922,981,999.67/627,813,449,390.75 = 251,926,752,653.95/x
  3. Step 3: Cross multiply
    454,922,981,999.67x = 627,813,449,390.75 × 251,926,752,653.95
  4. Step 4: Simplify right side
    454,922,981,999.67x = 158,163,003,577,486,643,560,448
  5. Step 5: Solve for x
    x = 158,163,003,577,486,643,560,448/454,922,981,999.67
  6. Step 6: Final answer
    x = 347,669,847,063.48

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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.