Home / 492,891,365.79-680,190,245.43-269,887,180.29

Finding the Fourth Proportional to 492,891,365.79, 680,190,245.43 and 269,887,180.29

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Solution

The fourth proportional to 492,891,365.79, 680,190,245.43 and 269,887,180.29 is: 372,444,396.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,891,365.79 : 680,190,245.43 = 269,887,180.29 : x
  2. Step 2: Convert to fraction form
    492,891,365.79/680,190,245.43 = 269,887,180.29/x
  3. Step 3: Cross multiply
    492,891,365.79x = 680,190,245.43 × 269,887,180.29
  4. Step 4: Simplify right side
    492,891,365.79x = 183,574,627,399,865,760
  5. Step 5: Solve for x
    x = 183,574,627,399,865,760/492,891,365.79
  6. Step 6: Final answer
    x = 372,444,396.76

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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.