Finding the Fourth Proportional to 3,401,502,007.99, 4,694,072,732.90 and 1,836,939,703.99
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Solution
The fourth proportional to 3,401,502,007.99, 4,694,072,732.90 and 1,836,939,703.99 is: 2,534,976,770.92
Step by Step Solution
- Step 1: Write the proportion equation
3,401,502,007.99 : 4,694,072,732.90 = 1,836,939,703.99 : x - Step 2: Convert to fraction form
3,401,502,007.99/4,694,072,732.90 = 1,836,939,703.99/x - Step 3: Cross multiply
3,401,502,007.99x = 4,694,072,732.90 × 1,836,939,703.99 - Step 4: Simplify right side
3,401,502,007.99x = 8,622,728,576,480,856,064 - Step 5: Solve for x
x = 8,622,728,576,480,856,064/3,401,502,007.99 - Step 6: Final answer
x = 2,534,976,770.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.