Finding the Fourth Proportional to 6,662,548,703.48, 9,195,304,021.33 and 4,218,560,113.18
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Solution
The fourth proportional to 6,662,548,703.48, 9,195,304,021.33 and 4,218,560,113.18 is: 5,822,237,780.07
Step by Step Solution
- Step 1: Write the proportion equation
6,662,548,703.48 : 9,195,304,021.33 = 4,218,560,113.18 : x - Step 2: Convert to fraction form
6,662,548,703.48/9,195,304,021.33 = 4,218,560,113.18/x - Step 3: Cross multiply
6,662,548,703.48x = 9,195,304,021.33 × 4,218,560,113.18 - Step 4: Simplify right side
6,662,548,703.48x = 38,790,942,772,946,395,136 - Step 5: Solve for x
x = 38,790,942,772,946,395,136/6,662,548,703.48 - Step 6: Final answer
x = 5,822,237,780.07
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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.