Finding the Fourth Proportional to 5,393,358,899.09, 7,442,535,057.55 and 2,981,901,975.95
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Solution
The fourth proportional to 5,393,358,899.09, 7,442,535,057.55 and 2,981,901,975.95 is: 4,114,858,738.20
Step by Step Solution
- Step 1: Write the proportion equation
5,393,358,899.09 : 7,442,535,057.55 = 2,981,901,975.95 : x - Step 2: Convert to fraction form
5,393,358,899.09/7,442,535,057.55 = 2,981,901,975.95/x - Step 3: Cross multiply
5,393,358,899.09x = 7,442,535,057.55 × 2,981,901,975.95 - Step 4: Simplify right side
5,393,358,899.09x = 22,192,909,994,185,490,432 - Step 5: Solve for x
x = 22,192,909,994,185,490,432/5,393,358,899.09 - Step 6: Final answer
x = 4,114,858,738.20
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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.