Finding the Fourth Proportional to 3,291,178,571.56, 4,936,754,545.29 and 1,192,163,743.95
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Solution
The fourth proportional to 3,291,178,571.56, 4,936,754,545.29 and 1,192,163,743.95 is: 1,788,240,793.90
Step by Step Solution
- Step 1: Write the proportion equation
3,291,178,571.56 : 4,936,754,545.29 = 1,192,163,743.95 : x - Step 2: Convert to fraction form
3,291,178,571.56/4,936,754,545.29 = 1,192,163,743.95/x - Step 3: Cross multiply
3,291,178,571.56x = 4,936,754,545.29 × 1,192,163,743.95 - Step 4: Simplify right side
3,291,178,571.56x = 5,885,419,781,669,145,600 - Step 5: Solve for x
x = 5,885,419,781,669,145,600/3,291,178,571.56 - Step 6: Final answer
x = 1,788,240,793.90
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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.