Finding the Fourth Proportional to 549,707,524.20, 824,561,286.30 and 331,604,137.80
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Solution
The fourth proportional to 549,707,524.20, 824,561,286.30 and 331,604,137.80 is: 497,406,206.70
Step by Step Solution
- Step 1: Write the proportion equation
549,707,524.20 : 824,561,286.30 = 331,604,137.80 : x - Step 2: Convert to fraction form
549,707,524.20/824,561,286.30 = 331,604,137.80/x - Step 3: Cross multiply
549,707,524.20x = 824,561,286.30 × 331,604,137.80 - Step 4: Simplify right side
549,707,524.20x = 273,427,934,406,770,432 - Step 5: Solve for x
x = 273,427,934,406,770,432/549,707,524.20 - Step 6: Final answer
x = 497,406,206.70
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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.