Finding the Fourth Proportional to 1,757,952,087.80, 2,637,348,035.70 and 531,132,567.80
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Solution
The fourth proportional to 1,757,952,087.80, 2,637,348,035.70 and 531,132,567.80 is: 796,825,717.89
Step by Step Solution
- Step 1: Write the proportion equation
1,757,952,087.80 : 2,637,348,035.70 = 531,132,567.80 : x - Step 2: Convert to fraction form
1,757,952,087.80/2,637,348,035.70 = 531,132,567.80/x - Step 3: Cross multiply
1,757,952,087.80x = 2,637,348,035.70 × 531,132,567.80 - Step 4: Simplify right side
1,757,952,087.80x = 1,400,781,434,383,627,008 - Step 5: Solve for x
x = 1,400,781,434,383,627,008/1,757,952,087.80 - Step 6: Final answer
x = 796,825,717.89
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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.