Finding the Fourth Proportional to 3,186,997,553.70, 4,780,496,330.55 and 1,116,450,273.60
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Solution
The fourth proportional to 3,186,997,553.70, 4,780,496,330.55 and 1,116,450,273.60 is: 1,674,675,410.40
Step by Step Solution
- Step 1: Write the proportion equation
3,186,997,553.70 : 4,780,496,330.55 = 1,116,450,273.60 : x - Step 2: Convert to fraction form
3,186,997,553.70/4,780,496,330.55 = 1,116,450,273.60/x - Step 3: Cross multiply
3,186,997,553.70x = 4,780,496,330.55 × 1,116,450,273.60 - Step 4: Simplify right side
3,186,997,553.70x = 5,337,186,436,186,343,424 - Step 5: Solve for x
x = 5,337,186,436,186,343,424/3,186,997,553.70 - Step 6: Final answer
x = 1,674,675,410.40
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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.