Finding the Fourth Proportional to 331,992,023.40, 497,988,035.10 and 217,330,237.80
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Solution
The fourth proportional to 331,992,023.40, 497,988,035.10 and 217,330,237.80 is: 325,995,356.70
Step by Step Solution
- Step 1: Write the proportion equation
331,992,023.40 : 497,988,035.10 = 217,330,237.80 : x - Step 2: Convert to fraction form
331,992,023.40/497,988,035.10 = 217,330,237.80/x - Step 3: Cross multiply
331,992,023.40x = 497,988,035.10 × 217,330,237.80 - Step 4: Simplify right side
331,992,023.40x = 108,227,858,089,837,760 - Step 5: Solve for x
x = 108,227,858,089,837,760/331,992,023.40 - Step 6: Final answer
x = 325,995,356.70
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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.