Home / 609,016,313.37-840,420,007.89-330,551,858.19

Finding the Fourth Proportional to 609,016,313.37, 840,420,007.89 and 330,551,858.19

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Solution

The fourth proportional to 609,016,313.37, 840,420,007.89 and 330,551,858.19 is: 456,149,349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,016,313.37 : 840,420,007.89 = 330,551,858.19 : x
  2. Step 2: Convert to fraction form
    609,016,313.37/840,420,007.89 = 330,551,858.19/x
  3. Step 3: Cross multiply
    609,016,313.37x = 840,420,007.89 × 330,551,858.19
  4. Step 4: Simplify right side
    609,016,313.37x = 277,802,395,268,093,952
  5. Step 5: Solve for x
    x = 277,802,395,268,093,952/609,016,313.37
  6. Step 6: Final answer
    x = 456,149,349.65

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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.