Home / 497,173,352.13-685,979,243.96-320,923,601.55

Finding the Fourth Proportional to 497,173,352.13, 685,979,243.96 and 320,923,601.55

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Solution

The fourth proportional to 497,173,352.13, 685,979,243.96 and 320,923,601.55 is: 442,797,122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,173,352.13 : 685,979,243.96 = 320,923,601.55 : x
  2. Step 2: Convert to fraction form
    497,173,352.13/685,979,243.96 = 320,923,601.55/x
  3. Step 3: Cross multiply
    497,173,352.13x = 685,979,243.96 × 320,923,601.55
  4. Step 4: Simplify right side
    497,173,352.13x = 220,146,929,558,584,704
  5. Step 5: Solve for x
    x = 220,146,929,558,584,704/497,173,352.13
  6. Step 6: Final answer
    x = 442,797,122.20

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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.