Finding the Fourth Proportional to 4,250,782,590.94, 5,868,203,720.07 and 2,643,755,575.78
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Solution
The fourth proportional to 4,250,782,590.94, 5,868,203,720.07 and 2,643,755,575.78 is: 3,649,703,548.19
Step by Step Solution
- Step 1: Write the proportion equation
4,250,782,590.94 : 5,868,203,720.07 = 2,643,755,575.78 : x - Step 2: Convert to fraction form
4,250,782,590.94/5,868,203,720.07 = 2,643,755,575.78/x - Step 3: Cross multiply
4,250,782,590.94x = 5,868,203,720.07 × 2,643,755,575.78 - Step 4: Simplify right side
4,250,782,590.94x = 15,514,096,304,748,001,280 - Step 5: Solve for x
x = 15,514,096,304,748,001,280/4,250,782,590.94 - Step 6: Final answer
x = 3,649,703,548.19
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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.