Home / 489,834,309.07-675,971,383.08-269,817,735.07

Finding the Fourth Proportional to 489,834,309.07, 675,971,383.08 and 269,817,735.07

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Solution

The fourth proportional to 489,834,309.07, 675,971,383.08 and 269,817,735.07 is: 372,348,494.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,834,309.07 : 675,971,383.08 = 269,817,735.07 : x
  2. Step 2: Convert to fraction form
    489,834,309.07/675,971,383.08 = 269,817,735.07/x
  3. Step 3: Cross multiply
    489,834,309.07x = 675,971,383.08 × 269,817,735.07
  4. Step 4: Simplify right side
    489,834,309.07x = 182,389,067,554,780,928
  5. Step 5: Solve for x
    x = 182,389,067,554,780,928/489,834,309.07
  6. Step 6: Final answer
    x = 372,348,494.54

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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.