Finding the Fourth Proportional to 71,362,202,989,369, 98,479,844,861,035 and 39,720,215,601,341
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Solution
The fourth proportional to 71,362,202,989,369, 98,479,844,861,035 and 39,720,215,601,341 is: 54,813,900,165,745.31
Step by Step Solution
- Step 1: Write the proportion equation
71,362,202,989,369 : 98,479,844,861,035 = 39,720,215,601,341 : x - Step 2: Convert to fraction form
71,362,202,989,369/98,479,844,861,035 = 39,720,215,601,341/x - Step 3: Cross multiply
71,362,202,989,369x = 98,479,844,861,035 × 39,720,215,601,341 - Step 4: Simplify right side
71,362,202,989,369x = 3,911,640,670,266,923,819,464,654,848 - Step 5: Solve for x
x = 3,911,640,670,266,923,819,464,654,848/71,362,202,989,369 - Step 6: Final answer
x = 54,813,900,165,745.31
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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.