Home / 608,982,194.82-840,299,435.79-354,705,399.66

Finding the Fourth Proportional to 608,982,194.82, 840,299,435.79 and 354,705,399.66

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Solution

The fourth proportional to 608,982,194.82, 840,299,435.79 and 354,705,399.66 is: 489,437,539.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,982,194.82 : 840,299,435.79 = 354,705,399.66 : x
  2. Step 2: Convert to fraction form
    608,982,194.82/840,299,435.79 = 354,705,399.66/x
  3. Step 3: Cross multiply
    608,982,194.82x = 840,299,435.79 × 354,705,399.66
  4. Step 4: Simplify right side
    608,982,194.82x = 298,058,747,205,964,480
  5. Step 5: Solve for x
    x = 298,058,747,205,964,480/608,982,194.82
  6. Step 6: Final answer
    x = 489,437,539.79

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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.