Finding the Fourth Proportional to 331,927,231.80, 497,890,847.70 and 170,684,095.80
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Solution
The fourth proportional to 331,927,231.80, 497,890,847.70 and 170,684,095.80 is: 256,026,143.70
Step by Step Solution
- Step 1: Write the proportion equation
331,927,231.80 : 497,890,847.70 = 170,684,095.80 : x - Step 2: Convert to fraction form
331,927,231.80/497,890,847.70 = 170,684,095.80/x - Step 3: Cross multiply
331,927,231.80x = 497,890,847.70 × 170,684,095.80 - Step 4: Simplify right side
331,927,231.80x = 84,982,049,146,770,016 - Step 5: Solve for x
x = 84,982,049,146,770,016/331,927,231.80 - Step 6: Final answer
x = 256,026,143.70
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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.