Home / 489,787,825.09-675,907,174.62-269,771,261.89

Finding the Fourth Proportional to 489,787,825.09, 675,907,174.62 and 269,771,261.89

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Solution

The fourth proportional to 489,787,825.09, 675,907,174.62 and 269,771,261.89 is: 372,284,328.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,787,825.09 : 675,907,174.62 = 269,771,261.89 : x
  2. Step 2: Convert to fraction form
    489,787,825.09/675,907,174.62 = 269,771,261.89/x
  3. Step 3: Cross multiply
    489,787,825.09x = 675,907,174.62 × 269,771,261.89
  4. Step 4: Simplify right side
    489,787,825.09x = 182,340,331,417,741,984
  5. Step 5: Solve for x
    x = 182,340,331,417,741,984/489,787,825.09
  6. Step 6: Final answer
    x = 372,284,328.19

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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.