Finding the Fourth Proportional to 1,719,252,647.13, 2,372,576,687.64 and 976,737,453.69
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Solution
The fourth proportional to 1,719,252,647.13, 2,372,576,687.64 and 976,737,453.69 is: 1,347,902,250.69
Step by Step Solution
- Step 1: Write the proportion equation
1,719,252,647.13 : 2,372,576,687.64 = 976,737,453.69 : x - Step 2: Convert to fraction form
1,719,252,647.13/2,372,576,687.64 = 976,737,453.69/x - Step 3: Cross multiply
1,719,252,647.13x = 2,372,576,687.64 × 976,737,453.69 - Step 4: Simplify right side
1,719,252,647.13x = 2,317,384,512,569,747,968 - Step 5: Solve for x
x = 2,317,384,512,569,747,968/1,719,252,647.13 - Step 6: Final answer
x = 1,347,902,250.69
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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.