Finding the Fourth Proportional to 3,543,676,822.20, 5,315,515,233.30 and 1,702,985,647.80
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Solution
The fourth proportional to 3,543,676,822.20, 5,315,515,233.30 and 1,702,985,647.80 is: 2,554,478,471.70
Step by Step Solution
- Step 1: Write the proportion equation
3,543,676,822.20 : 5,315,515,233.30 = 1,702,985,647.80 : x - Step 2: Convert to fraction form
3,543,676,822.20/5,315,515,233.30 = 1,702,985,647.80/x - Step 3: Cross multiply
3,543,676,822.20x = 5,315,515,233.30 × 1,702,985,647.80 - Step 4: Simplify right side
3,543,676,822.20x = 9,052,246,152,972,168,192 - Step 5: Solve for x
x = 9,052,246,152,972,168,192/3,543,676,822.20 - Step 6: Final answer
x = 2,554,478,471.70
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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.