Finding the Fourth Proportional to 4,086,240,736.66, 6,129,361,186.09 and 980,823,379.97
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Solution
The fourth proportional to 4,086,240,736.66, 6,129,361,186.09 and 980,823,379.97 is: 1,471,235,089.43
Step by Step Solution
- Step 1: Write the proportion equation
4,086,240,736.66 : 6,129,361,186.09 = 980,823,379.97 : x - Step 2: Convert to fraction form
4,086,240,736.66/6,129,361,186.09 = 980,823,379.97/x - Step 3: Cross multiply
4,086,240,736.66x = 6,129,361,186.09 × 980,823,379.97 - Step 4: Simplify right side
4,086,240,736.66x = 6,011,820,755,610,494,976 - Step 5: Solve for x
x = 6,011,820,755,610,494,976/4,086,240,736.66 - Step 6: Final answer
x = 1,471,235,089.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.