Finding the Fourth Proportional to 4,508,177,186.18, 6,218,699,764.40 and 2,811,686,514.24
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Solution
The fourth proportional to 4,508,177,186.18, 6,218,699,764.40 and 2,811,686,514.24 is: 3,878,515,315.96
Step by Step Solution
- Step 1: Write the proportion equation
4,508,177,186.18 : 6,218,699,764.40 = 2,811,686,514.24 : x - Step 2: Convert to fraction form
4,508,177,186.18/6,218,699,764.40 = 2,811,686,514.24/x - Step 3: Cross multiply
4,508,177,186.18x = 6,218,699,764.40 × 2,811,686,514.24 - Step 4: Simplify right side
4,508,177,186.18x = 17,485,034,263,670,943,744 - Step 5: Solve for x
x = 17,485,034,263,670,943,744/4,508,177,186.18 - Step 6: Final answer
x = 3,878,515,315.96
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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.