Home / 279,979,647,486.49-386,367,801,622.50-156,382,590,537.14

Finding the Fourth Proportional to 279,979,647,486.49, 386,367,801,622.50 and 156,382,590,537.14

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Solution

The fourth proportional to 279,979,647,486.49, 386,367,801,622.50 and 156,382,590,537.14 is: 215,805,678,235.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,979,647,486.49 : 386,367,801,622.50 = 156,382,590,537.14 : x
  2. Step 2: Convert to fraction form
    279,979,647,486.49/386,367,801,622.50 = 156,382,590,537.14/x
  3. Step 3: Cross multiply
    279,979,647,486.49x = 386,367,801,622.50 × 156,382,590,537.14
  4. Step 4: Simplify right side
    279,979,647,486.49x = 60,421,197,717,866,358,505,472
  5. Step 5: Solve for x
    x = 60,421,197,717,866,358,505,472/279,979,647,486.49
  6. Step 6: Final answer
    x = 215,805,678,235.17

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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.