Home / 354,925,265.90-489,787,843.43-198,293,549.22

Finding the Fourth Proportional to 354,925,265.90, 489,787,843.43 and 198,293,549.22

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Solution

The fourth proportional to 354,925,265.90, 489,787,843.43 and 198,293,549.22 is: 273,640,056.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,925,265.90 : 489,787,843.43 = 198,293,549.22 : x
  2. Step 2: Convert to fraction form
    354,925,265.90/489,787,843.43 = 198,293,549.22/x
  3. Step 3: Cross multiply
    354,925,265.90x = 489,787,843.43 × 198,293,549.22
  4. Step 4: Simplify right side
    354,925,265.90x = 97,121,769,837,552,896
  5. Step 5: Solve for x
    x = 97,121,769,837,552,896/354,925,265.90
  6. Step 6: Final answer
    x = 273,640,056.57

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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.