Finding the Fourth Proportional to 2,105,177,543.20, 3,154,365,092.40 and 1,327,431,354.40
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Solution
The fourth proportional to 2,105,177,543.20, 3,154,365,092.40 and 1,327,431,354.40 is: 1,989,002,371.99
Step by Step Solution
- Step 1: Write the proportion equation
2,105,177,543.20 : 3,154,365,092.40 = 1,327,431,354.40 : x - Step 2: Convert to fraction form
2,105,177,543.20/3,154,365,092.40 = 1,327,431,354.40/x - Step 3: Cross multiply
2,105,177,543.20x = 3,154,365,092.40 × 1,327,431,354.40 - Step 4: Simplify right side
2,105,177,543.20x = 4,187,203,126,876,613,632 - Step 5: Solve for x
x = 4,187,203,126,876,613,632/2,105,177,543.20 - Step 6: Final answer
x = 1,989,002,371.99
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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.