Finding the Fourth Proportional to 8,861,169,149.57, 13,291,776,236.79 and 3,620,777,366.31
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Solution
The fourth proportional to 8,861,169,149.57, 13,291,776,236.79 and 3,620,777,366.31 is: 5,431,175,248.31
Step by Step Solution
- Step 1: Write the proportion equation
8,861,169,149.57 : 13,291,776,236.79 = 3,620,777,366.31 : x - Step 2: Convert to fraction form
8,861,169,149.57/13,291,776,236.79 = 3,620,777,366.31/x - Step 3: Cross multiply
8,861,169,149.57x = 13,291,776,236.79 × 3,620,777,366.31 - Step 4: Simplify right side
8,861,169,149.57x = 48,126,562,556,226,338,816 - Step 5: Solve for x
x = 48,126,562,556,226,338,816/8,861,169,149.57 - Step 6: Final answer
x = 5,431,175,248.31
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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.