Home / 609,016,376.67-840,420,095.07-330,551,921.49

Finding the Fourth Proportional to 609,016,376.67, 840,420,095.07 and 330,551,921.49

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Solution

The fourth proportional to 609,016,376.67, 840,420,095.07 and 330,551,921.49 is: 456,149,436.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,016,376.67 : 840,420,095.07 = 330,551,921.49 : x
  2. Step 2: Convert to fraction form
    609,016,376.67/840,420,095.07 = 330,551,921.49/x
  3. Step 3: Cross multiply
    609,016,376.67x = 840,420,095.07 × 330,551,921.49
  4. Step 4: Simplify right side
    609,016,376.67x = 277,802,477,284,196,992
  5. Step 5: Solve for x
    x = 277,802,477,284,196,992/609,016,376.67
  6. Step 6: Final answer
    x = 456,149,436.91

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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.