Finding the Fourth Proportional to 3,039,036,694,876.20, 4,193,870,638,929 and 1,738,393,862,125.20
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Solution
The fourth proportional to 3,039,036,694,876.20, 4,193,870,638,929 and 1,738,393,862,125.20 is: 2,398,983,529,732.69
Step by Step Solution
- Step 1: Write the proportion equation
3,039,036,694,876.20 : 4,193,870,638,929 = 1,738,393,862,125.20 : x - Step 2: Convert to fraction form
3,039,036,694,876.20/4,193,870,638,929 = 1,738,393,862,125.20/x - Step 3: Cross multiply
3,039,036,694,876.20x = 4,193,870,638,929 × 1,738,393,862,125.20 - Step 4: Simplify right side
3,039,036,694,876.20x = 7,290,598,977,261,264,112,189,440 - Step 5: Solve for x
x = 7,290,598,977,261,264,112,189,440/3,039,036,694,876.20 - Step 6: Final answer
x = 2,398,983,529,732.69
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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.