Home / 672,143,980-1,007,640,890.16-257,918,049.84

Finding the Fourth Proportional to 672,143,980, 1,007,640,890.16 and 257,918,049.84

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Solution

The fourth proportional to 672,143,980, 1,007,640,890.16 and 257,918,049.84 is: 386,656,402.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,143,980 : 1,007,640,890.16 = 257,918,049.84 : x
  2. Step 2: Convert to fraction form
    672,143,980/1,007,640,890.16 = 257,918,049.84/x
  3. Step 3: Cross multiply
    672,143,980x = 1,007,640,890.16 × 257,918,049.84
  4. Step 4: Simplify right side
    672,143,980x = 259,888,773,329,108,832
  5. Step 5: Solve for x
    x = 259,888,773,329,108,832/672,143,980
  6. Step 6: Final answer
    x = 386,656,402.59

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Why These Related Problems?

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