Home / 627,137,343.39-865,498,011.80-376,251,176.91

Finding the Fourth Proportional to 627,137,343.39, 865,498,011.80 and 376,251,176.91

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Solution

The fourth proportional to 627,137,343.39, 865,498,011.80 and 376,251,176.91 is: 519,255,708.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,137,343.39 : 865,498,011.80 = 376,251,176.91 : x
  2. Step 2: Convert to fraction form
    627,137,343.39/865,498,011.80 = 376,251,176.91/x
  3. Step 3: Cross multiply
    627,137,343.39x = 865,498,011.80 × 376,251,176.91
  4. Step 4: Simplify right side
    627,137,343.39x = 325,644,645,551,133,824
  5. Step 5: Solve for x
    x = 325,644,645,551,133,824/627,137,343.39
  6. Step 6: Final answer
    x = 519,255,708.47

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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.