Home / 490,329,747.36-676,659,674.88-270,321,046.56

Finding the Fourth Proportional to 490,329,747.36, 676,659,674.88 and 270,321,046.56

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Solution

The fourth proportional to 490,329,747.36, 676,659,674.88 and 270,321,046.56 is: 373,045,593.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,329,747.36 : 676,659,674.88 = 270,321,046.56 : x
  2. Step 2: Convert to fraction form
    490,329,747.36/676,659,674.88 = 270,321,046.56/x
  3. Step 3: Cross multiply
    490,329,747.36x = 676,659,674.88 × 270,321,046.56
  4. Step 4: Simplify right side
    490,329,747.36x = 182,915,351,478,510,944
  5. Step 5: Solve for x
    x = 182,915,351,478,510,944/490,329,747.36
  6. Step 6: Final answer
    x = 373,045,593.22

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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.