Finding the Fourth Proportional to 2,757,986,137.20, 4,136,979,205.80 and 2,413,612,369.20
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Solution
The fourth proportional to 2,757,986,137.20, 4,136,979,205.80 and 2,413,612,369.20 is: 3,620,418,553.80
Step by Step Solution
- Step 1: Write the proportion equation
2,757,986,137.20 : 4,136,979,205.80 = 2,413,612,369.20 : x - Step 2: Convert to fraction form
2,757,986,137.20/4,136,979,205.80 = 2,413,612,369.20/x - Step 3: Cross multiply
2,757,986,137.20x = 4,136,979,205.80 × 2,413,612,369.20 - Step 4: Simplify right side
2,757,986,137.20x = 9,985,064,182,242,072,576 - Step 5: Solve for x
x = 9,985,064,182,242,072,576/2,757,986,137.20 - Step 6: Final answer
x = 3,620,418,553.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.