Finding the Fourth Proportional to 4,901,067,704.70, 7,351,601,557.05 and 1,220,573,059.20
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Solution
The fourth proportional to 4,901,067,704.70, 7,351,601,557.05 and 1,220,573,059.20 is: 1,830,859,588.80
Step by Step Solution
- Step 1: Write the proportion equation
4,901,067,704.70 : 7,351,601,557.05 = 1,220,573,059.20 : x - Step 2: Convert to fraction form
4,901,067,704.70/7,351,601,557.05 = 1,220,573,059.20/x - Step 3: Cross multiply
4,901,067,704.70x = 7,351,601,557.05 × 1,220,573,059.20 - Step 4: Simplify right side
4,901,067,704.70x = 8,973,166,802,508,002,304 - Step 5: Solve for x
x = 8,973,166,802,508,002,304/4,901,067,704.70 - Step 6: Final answer
x = 1,830,859,588.80
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1.5x scale
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.