Home / 627,137,342.64-865,498,010.76-376,251,176.16

Finding the Fourth Proportional to 627,137,342.64, 865,498,010.76 and 376,251,176.16

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Solution

The fourth proportional to 627,137,342.64, 865,498,010.76 and 376,251,176.16 is: 519,255,707.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,137,342.64 : 865,498,010.76 = 376,251,176.16 : x
  2. Step 2: Convert to fraction form
    627,137,342.64/865,498,010.76 = 376,251,176.16/x
  3. Step 3: Cross multiply
    627,137,342.64x = 865,498,010.76 × 376,251,176.16
  4. Step 4: Simplify right side
    627,137,342.64x = 325,644,644,512,590,336
  5. Step 5: Solve for x
    x = 325,644,644,512,590,336/627,137,342.64
  6. Step 6: Final answer
    x = 519,255,707.44

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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.