Finding the Fourth Proportional to 386,902,639.20, 580,430,500.56 and 110,556,351.84
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Solution
The fourth proportional to 386,902,639.20, 580,430,500.56 and 110,556,351.84 is: 165,856,399.35
Step by Step Solution
- Step 1: Write the proportion equation
386,902,639.20 : 580,430,500.56 = 110,556,351.84 : x - Step 2: Convert to fraction form
386,902,639.20/580,430,500.56 = 110,556,351.84/x - Step 3: Cross multiply
386,902,639.20x = 580,430,500.56 × 110,556,351.84 - Step 4: Simplify right side
386,902,639.20x = 64,170,278,638,578,672 - Step 5: Solve for x
x = 64,170,278,638,578,672/386,902,639.20 - Step 6: Final answer
x = 165,856,399.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.