Finding the Fourth Proportional to 6,662,548,703.98, 9,195,304,022.02 and 4,218,560,113.68
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Solution
The fourth proportional to 6,662,548,703.98, 9,195,304,022.02 and 4,218,560,113.68 is: 5,822,237,780.76
Step by Step Solution
- Step 1: Write the proportion equation
6,662,548,703.98 : 9,195,304,022.02 = 4,218,560,113.68 : x - Step 2: Convert to fraction form
6,662,548,703.98/9,195,304,022.02 = 4,218,560,113.68/x - Step 3: Cross multiply
6,662,548,703.98x = 9,195,304,022.02 × 4,218,560,113.68 - Step 4: Simplify right side
6,662,548,703.98x = 38,790,942,780,454,854,656 - Step 5: Solve for x
x = 38,790,942,780,454,854,656/6,662,548,703.98 - Step 6: Final answer
x = 5,822,237,780.76
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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.