Home / 497,173,350.13-685,979,241.19-320,923,599.55

Finding the Fourth Proportional to 497,173,350.13, 685,979,241.19 and 320,923,599.55

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Solution

The fourth proportional to 497,173,350.13, 685,979,241.19 and 320,923,599.55 is: 442,797,119.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,173,350.13 : 685,979,241.19 = 320,923,599.55 : x
  2. Step 2: Convert to fraction form
    497,173,350.13/685,979,241.19 = 320,923,599.55/x
  3. Step 3: Cross multiply
    497,173,350.13x = 685,979,241.19 × 320,923,599.55
  4. Step 4: Simplify right side
    497,173,350.13x = 220,146,927,299,272,448
  5. Step 5: Solve for x
    x = 220,146,927,299,272,448/497,173,350.13
  6. Step 6: Final answer
    x = 442,797,119.44

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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.