Home / 395,201,996.88-545,199,908.07-238,519,018.32

Finding the Fourth Proportional to 395,201,996.88, 545,199,908.07 and 238,519,018.32

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Solution

The fourth proportional to 395,201,996.88, 545,199,908.07 and 238,519,018.32 is: 329,048,304.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,201,996.88 : 545,199,908.07 = 238,519,018.32 : x
  2. Step 2: Convert to fraction form
    395,201,996.88/545,199,908.07 = 238,519,018.32/x
  3. Step 3: Cross multiply
    395,201,996.88x = 545,199,908.07 × 238,519,018.32
  4. Step 4: Simplify right side
    395,201,996.88x = 130,040,546,861,010,656
  5. Step 5: Solve for x
    x = 130,040,546,861,010,656/395,201,996.88
  6. Step 6: Final answer
    x = 329,048,304.13

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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.