Home / 627,137,318.14-865,497,976.98-376,251,151.66

Finding the Fourth Proportional to 627,137,318.14, 865,497,976.98 and 376,251,151.66

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Solution

The fourth proportional to 627,137,318.14, 865,497,976.98 and 376,251,151.66 is: 519,255,673.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,137,318.14 : 865,497,976.98 = 376,251,151.66 : x
  2. Step 2: Convert to fraction form
    627,137,318.14/865,497,976.98 = 376,251,151.66/x
  3. Step 3: Cross multiply
    627,137,318.14x = 865,497,976.98 × 376,251,151.66
  4. Step 4: Simplify right side
    627,137,318.14x = 325,644,610,598,125,184
  5. Step 5: Solve for x
    x = 325,644,610,598,125,184/627,137,318.14
  6. Step 6: Final answer
    x = 519,255,673.64

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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.