Finding the Fourth Proportional to 395,586,009.70, 593,379,014.55 and 259,350,489.70
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Solution
The fourth proportional to 395,586,009.70, 593,379,014.55 and 259,350,489.70 is: 389,025,734.55
Step by Step Solution
- Step 1: Write the proportion equation
395,586,009.70 : 593,379,014.55 = 259,350,489.70 : x - Step 2: Convert to fraction form
395,586,009.70/593,379,014.55 = 259,350,489.70/x - Step 3: Cross multiply
395,586,009.70x = 593,379,014.55 × 259,350,489.70 - Step 4: Simplify right side
395,586,009.70x = 153,893,138,001,245,920 - Step 5: Solve for x
x = 153,893,138,001,245,920/395,586,009.70 - Step 6: Final answer
x = 389,025,734.55
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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.