Finding the Fourth Proportional to 39,809,368,635.51, 54,936,557,439.04 and 21,744,877,933.68
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Solution
The fourth proportional to 39,809,368,635.51, 54,936,557,439.04 and 21,744,877,933.68 is: 30,007,728,747.12
Step by Step Solution
- Step 1: Write the proportion equation
39,809,368,635.51 : 54,936,557,439.04 = 21,744,877,933.68 : x - Step 2: Convert to fraction form
39,809,368,635.51/54,936,557,439.04 = 21,744,877,933.68/x - Step 3: Cross multiply
39,809,368,635.51x = 54,936,557,439.04 × 21,744,877,933.68 - Step 4: Simplify right side
39,809,368,635.51x = 1,194,588,735,608,416,108,544 - Step 5: Solve for x
x = 1,194,588,735,608,416,108,544/39,809,368,635.51 - Step 6: Final answer
x = 30,007,728,747.12
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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.