Finding the Fourth Proportional to 3,605,997,480.68, 4,980,944,512.50 and 2,981,986,544.36
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Solution
The fourth proportional to 3,605,997,480.68, 4,980,944,512.50 and 2,981,986,544.36 is: 4,119,001,633.82
Step by Step Solution
- Step 1: Write the proportion equation
3,605,997,480.68 : 4,980,944,512.50 = 2,981,986,544.36 : x - Step 2: Convert to fraction form
3,605,997,480.68/4,980,944,512.50 = 2,981,986,544.36/x - Step 3: Cross multiply
3,605,997,480.68x = 4,980,944,512.50 × 2,981,986,544.36 - Step 4: Simplify right side
3,605,997,480.68x = 14,853,109,514,478,780,416 - Step 5: Solve for x
x = 14,853,109,514,478,780,416/3,605,997,480.68 - Step 6: Final answer
x = 4,119,001,633.82
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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.