Finding the Fourth Proportional to 347,737,163.40, 521,605,745.10 and 342,635,329.80
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Solution
The fourth proportional to 347,737,163.40, 521,605,745.10 and 342,635,329.80 is: 513,952,994.70
Step by Step Solution
- Step 1: Write the proportion equation
347,737,163.40 : 521,605,745.10 = 342,635,329.80 : x - Step 2: Convert to fraction form
347,737,163.40/521,605,745.10 = 342,635,329.80/x - Step 3: Cross multiply
347,737,163.40x = 521,605,745.10 × 342,635,329.80 - Step 4: Simplify right side
347,737,163.40x = 178,720,556,497,913,248 - Step 5: Solve for x
x = 178,720,556,497,913,248/347,737,163.40 - Step 6: Final answer
x = 513,952,994.70
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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.