Home / 609,015,158.31-913,719,474.29-281,705,379.65

Finding the Fourth Proportional to 609,015,158.31, 913,719,474.29 and 281,705,379.65

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Solution

The fourth proportional to 609,015,158.31, 913,719,474.29 and 281,705,379.65 is: 422,649,071.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,015,158.31 : 913,719,474.29 = 281,705,379.65 : x
  2. Step 2: Convert to fraction form
    609,015,158.31/913,719,474.29 = 281,705,379.65/x
  3. Step 3: Cross multiply
    609,015,158.31x = 913,719,474.29 × 281,705,379.65
  4. Step 4: Simplify right side
    609,015,158.31x = 257,399,691,398,462,816
  5. Step 5: Solve for x
    x = 257,399,691,398,462,816/609,015,158.31
  6. Step 6: Final answer
    x = 422,649,071.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.