Home / 352,901,962.83-487,002,016.97-194,128,668.12

Finding the Fourth Proportional to 352,901,962.83, 487,002,016.97 and 194,128,668.12

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Solution

The fourth proportional to 352,901,962.83, 487,002,016.97 and 194,128,668.12 is: 267,896,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,901,962.83 : 487,002,016.97 = 194,128,668.12 : x
  2. Step 2: Convert to fraction form
    352,901,962.83/487,002,016.97 = 194,128,668.12/x
  3. Step 3: Cross multiply
    352,901,962.83x = 487,002,016.97 × 194,128,668.12
  4. Step 4: Simplify right side
    352,901,962.83x = 94,541,052,926,139,744
  5. Step 5: Solve for x
    x = 94,541,052,926,139,744/352,901,962.83
  6. Step 6: Final answer
    x = 267,896,081.30

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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.