Home / 389,952,175.23-538,189,182.63-241,321,164.44

Finding the Fourth Proportional to 389,952,175.23, 538,189,182.63 and 241,321,164.44

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Solution

The fourth proportional to 389,952,175.23, 538,189,182.63 and 241,321,164.44 is: 333,057,355.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,952,175.23 : 538,189,182.63 = 241,321,164.44 : x
  2. Step 2: Convert to fraction form
    389,952,175.23/538,189,182.63 = 241,321,164.44/x
  3. Step 3: Cross multiply
    389,952,175.23x = 538,189,182.63 × 241,321,164.44
  4. Step 4: Simplify right side
    389,952,175.23x = 129,876,440,238,592,480
  5. Step 5: Solve for x
    x = 129,876,440,238,592,480/389,952,175.23
  6. Step 6: Final answer
    x = 333,057,355.46

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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.