Finding the Fourth Proportional to 5,360,351,169.60, 7,397,178,539.04 and 2,981,437,934.40
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Solution
The fourth proportional to 5,360,351,169.60, 7,397,178,539.04 and 2,981,437,934.40 is: 4,114,325,350.34
Step by Step Solution
- Step 1: Write the proportion equation
5,360,351,169.60 : 7,397,178,539.04 = 2,981,437,934.40 : x - Step 2: Convert to fraction form
5,360,351,169.60/7,397,178,539.04 = 2,981,437,934.40/x - Step 3: Cross multiply
5,360,351,169.60x = 7,397,178,539.04 × 2,981,437,934.40 - Step 4: Simplify right side
5,360,351,169.60x = 22,054,228,703,823,429,632 - Step 5: Solve for x
x = 22,054,228,703,823,429,632/5,360,351,169.60 - Step 6: Final answer
x = 4,114,325,350.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.