Finding the Fourth Proportional to 2,486,438,861.08, 3,431,264,583.54 and 1,372,581,040.36
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Solution
The fourth proportional to 2,486,438,861.08, 3,431,264,583.54 and 1,372,581,040.36 is: 1,894,150,218.43
Step by Step Solution
- Step 1: Write the proportion equation
2,486,438,861.08 : 3,431,264,583.54 = 1,372,581,040.36 : x - Step 2: Convert to fraction form
2,486,438,861.08/3,431,264,583.54 = 1,372,581,040.36/x - Step 3: Cross multiply
2,486,438,861.08x = 3,431,264,583.54 × 1,372,581,040.36 - Step 4: Simplify right side
2,486,438,861.08x = 4,709,688,711,825,755,136 - Step 5: Solve for x
x = 4,709,688,711,825,755,136/2,486,438,861.08 - Step 6: Final answer
x = 1,894,150,218.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.