Finding the Fourth Proportional to 366,336,545.80, 549,504,818.70 and 343,661,729.80
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Solution
The fourth proportional to 366,336,545.80, 549,504,818.70 and 343,661,729.80 is: 515,492,594.70
Step by Step Solution
- Step 1: Write the proportion equation
366,336,545.80 : 549,504,818.70 = 343,661,729.80 : x - Step 2: Convert to fraction form
366,336,545.80/549,504,818.70 = 343,661,729.80/x - Step 3: Cross multiply
366,336,545.80x = 549,504,818.70 × 343,661,729.80 - Step 4: Simplify right side
366,336,545.80x = 188,843,776,527,877,408 - Step 5: Solve for x
x = 188,843,776,527,877,408/366,336,545.80 - Step 6: Final answer
x = 515,492,594.70
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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.