Home / 497,173,350.63-685,979,241.89-320,923,600.05

Finding the Fourth Proportional to 497,173,350.63, 685,979,241.89 and 320,923,600.05

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Solution

The fourth proportional to 497,173,350.63, 685,979,241.89 and 320,923,600.05 is: 442,797,120.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,173,350.63 : 685,979,241.89 = 320,923,600.05 : x
  2. Step 2: Convert to fraction form
    497,173,350.63/685,979,241.89 = 320,923,600.05/x
  3. Step 3: Cross multiply
    497,173,350.63x = 685,979,241.89 × 320,923,600.05
  4. Step 4: Simplify right side
    497,173,350.63x = 220,146,927,865,303,968
  5. Step 5: Solve for x
    x = 220,146,927,865,303,968/497,173,350.63
  6. Step 6: Final answer
    x = 442,797,120.13

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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.