Finding the Fourth Proportional to 2,519,493,243.20, 3,779,239,864.80 and 796,207,227.20
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Solution
The fourth proportional to 2,519,493,243.20, 3,779,239,864.80 and 796,207,227.20 is: 1,194,310,840.80
Step by Step Solution
- Step 1: Write the proportion equation
2,519,493,243.20 : 3,779,239,864.80 = 796,207,227.20 : x - Step 2: Convert to fraction form
2,519,493,243.20/3,779,239,864.80 = 796,207,227.20/x - Step 3: Cross multiply
2,519,493,243.20x = 3,779,239,864.80 × 796,207,227.20 - Step 4: Simplify right side
2,519,493,243.20x = 3,009,058,093,676,111,360 - Step 5: Solve for x
x = 3,009,058,093,676,111,360/2,519,493,243.20 - Step 6: Final answer
x = 1,194,310,840.80
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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.