Home / 627,137,349.14-865,498,019.73-376,251,182.66

Finding the Fourth Proportional to 627,137,349.14, 865,498,019.73 and 376,251,182.66

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Solution

The fourth proportional to 627,137,349.14, 865,498,019.73 and 376,251,182.66 is: 519,255,716.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,137,349.14 : 865,498,019.73 = 376,251,182.66 : x
  2. Step 2: Convert to fraction form
    627,137,349.14/865,498,019.73 = 376,251,182.66/x
  3. Step 3: Cross multiply
    627,137,349.14x = 865,498,019.73 × 376,251,182.66
  4. Step 4: Simplify right side
    627,137,349.14x = 325,644,653,513,300,544
  5. Step 5: Solve for x
    x = 325,644,653,513,300,544/627,137,349.14
  6. Step 6: Final answer
    x = 519,255,716.41

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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.