Finding the Fourth Proportional to 335,957,819.70, 503,936,729.55 and 93,620,723.70
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Solution
The fourth proportional to 335,957,819.70, 503,936,729.55 and 93,620,723.70 is: 140,431,085.55
Step by Step Solution
- Step 1: Write the proportion equation
335,957,819.70 : 503,936,729.55 = 93,620,723.70 : x - Step 2: Convert to fraction form
335,957,819.70/503,936,729.55 = 93,620,723.70/x - Step 3: Cross multiply
335,957,819.70x = 503,936,729.55 × 93,620,723.70 - Step 4: Simplify right side
335,957,819.70x = 47,178,921,319,482,176 - Step 5: Solve for x
x = 47,178,921,319,482,176/335,957,819.70 - Step 6: Final answer
x = 140,431,085.55
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1.5x scale
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.