Home / 354,399,671.79-489,071,637.27-195,629,883.35

Finding the Fourth Proportional to 354,399,671.79, 489,071,637.27 and 195,629,883.35

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Solution

The fourth proportional to 354,399,671.79, 489,071,637.27 and 195,629,883.35 is: 269,969,288.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,399,671.79 : 489,071,637.27 = 195,629,883.35 : x
  2. Step 2: Convert to fraction form
    354,399,671.79/489,071,637.27 = 195,629,883.35/x
  3. Step 3: Cross multiply
    354,399,671.79x = 489,071,637.27 × 195,629,883.35
  4. Step 4: Simplify right side
    354,399,671.79x = 95,677,027,346,478,256
  5. Step 5: Solve for x
    x = 95,677,027,346,478,256/354,399,671.79
  6. Step 6: Final answer
    x = 269,969,288.81

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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.