Finding the Fourth Proportional to 2,253,361,985.64, 3,377,657,398.88 and 757,969,942.68
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Solution
The fourth proportional to 2,253,361,985.64, 3,377,657,398.88 and 757,969,942.68 is: 1,136,152,469.66
Step by Step Solution
- Step 1: Write the proportion equation
2,253,361,985.64 : 3,377,657,398.88 = 757,969,942.68 : x - Step 2: Convert to fraction form
2,253,361,985.64/3,377,657,398.88 = 757,969,942.68/x - Step 3: Cross multiply
2,253,361,985.64x = 3,377,657,398.88 × 757,969,942.68 - Step 4: Simplify right side
2,253,361,985.64x = 2,560,162,785,021,751,296 - Step 5: Solve for x
x = 2,560,162,785,021,751,296/2,253,361,985.64 - Step 6: Final answer
x = 1,136,152,469.66
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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.