Finding the Fourth Proportional to 2,772,372,324.70, 4,158,522,163.07 and 673,842,636.14
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Solution
The fourth proportional to 2,772,372,324.70, 4,158,522,163.07 and 673,842,636.14 is: 1,010,755,125.44
Step by Step Solution
- Step 1: Write the proportion equation
2,772,372,324.70 : 4,158,522,163.07 = 673,842,636.14 : x - Step 2: Convert to fraction form
2,772,372,324.70/4,158,522,163.07 = 673,842,636.14/x - Step 3: Cross multiply
2,772,372,324.70x = 4,158,522,163.07 × 673,842,636.14 - Step 4: Simplify right side
2,772,372,324.70x = 2,802,189,536,816,731,136 - Step 5: Solve for x
x = 2,802,189,536,816,731,136/2,772,372,324.70 - Step 6: Final answer
x = 1,010,755,125.44
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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.