Finding the Fourth Proportional to 252,801,245.80, 378,634,998.30 and 207,451,613.80
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Solution
The fourth proportional to 252,801,245.80, 378,634,998.30 and 207,451,613.80 is: 310,712,240.32
Step by Step Solution
- Step 1: Write the proportion equation
252,801,245.80 : 378,634,998.30 = 207,451,613.80 : x - Step 2: Convert to fraction form
252,801,245.80/378,634,998.30 = 207,451,613.80/x - Step 3: Cross multiply
252,801,245.80x = 378,634,998.30 × 207,451,613.80 - Step 4: Simplify right side
252,801,245.80x = 78,548,441,438,495,264 - Step 5: Solve for x
x = 78,548,441,438,495,264/252,801,245.80 - Step 6: Final answer
x = 310,712,240.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.