Finding the Fourth Proportional to 735,737,640.68, 1,103,979,650.62 and 408,152,684.36
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Solution
The fourth proportional to 735,737,640.68, 1,103,979,650.62 and 408,152,684.36 is: 612,436,054.60
Step by Step Solution
- Step 1: Write the proportion equation
735,737,640.68 : 1,103,979,650.62 = 408,152,684.36 : x - Step 2: Convert to fraction form
735,737,640.68/1,103,979,650.62 = 408,152,684.36/x - Step 3: Cross multiply
735,737,640.68x = 1,103,979,650.62 × 408,152,684.36 - Step 4: Simplify right side
735,737,640.68x = 450,592,257,879,367,936 - Step 5: Solve for x
x = 450,592,257,879,367,936/735,737,640.68 - Step 6: Final answer
x = 612,436,054.60
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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.