Home / 279,979,647,486.58-386,367,801,622.64-156,382,590,537.23

Finding the Fourth Proportional to 279,979,647,486.58, 386,367,801,622.64 and 156,382,590,537.23

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Solution

The fourth proportional to 279,979,647,486.58, 386,367,801,622.64 and 156,382,590,537.23 is: 215,805,678,235.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,979,647,486.58 : 386,367,801,622.64 = 156,382,590,537.23 : x
  2. Step 2: Convert to fraction form
    279,979,647,486.58/386,367,801,622.64 = 156,382,590,537.23/x
  3. Step 3: Cross multiply
    279,979,647,486.58x = 386,367,801,622.64 × 156,382,590,537.23
  4. Step 4: Simplify right side
    279,979,647,486.58x = 60,421,197,717,923,023,552,512
  5. Step 5: Solve for x
    x = 60,421,197,717,923,023,552,512/279,979,647,486.58
  6. Step 6: Final answer
    x = 215,805,678,235.31

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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.