Home / 489,834,308.82-675,971,382.74-269,817,734.82

Finding the Fourth Proportional to 489,834,308.82, 675,971,382.74 and 269,817,734.82

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Solution

The fourth proportional to 489,834,308.82, 675,971,382.74 and 269,817,734.82 is: 372,348,494.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,834,308.82 : 675,971,382.74 = 269,817,734.82 : x
  2. Step 2: Convert to fraction form
    489,834,308.82/675,971,382.74 = 269,817,734.82/x
  3. Step 3: Cross multiply
    489,834,308.82x = 675,971,382.74 × 269,817,734.82
  4. Step 4: Simplify right side
    489,834,308.82x = 182,389,067,292,700,960
  5. Step 5: Solve for x
    x = 182,389,067,292,700,960/489,834,308.82
  6. Step 6: Final answer
    x = 372,348,494.19

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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.