Finding the Fourth Proportional to 2,539,682,473.92, 3,809,536,553.12 and 792,738,770.56
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Solution
The fourth proportional to 2,539,682,473.92, 3,809,536,553.12 and 792,738,770.56 is: 1,189,112,164.43
Step by Step Solution
- Step 1: Write the proportion equation
2,539,682,473.92 : 3,809,536,553.12 = 792,738,770.56 : x - Step 2: Convert to fraction form
2,539,682,473.92/3,809,536,553.12 = 792,738,770.56/x - Step 3: Cross multiply
2,539,682,473.92x = 3,809,536,553.12 × 792,738,770.56 - Step 4: Simplify right side
2,539,682,473.92x = 3,019,967,323,523,728,384 - Step 5: Solve for x
x = 3,019,967,323,523,728,384/2,539,682,473.92 - Step 6: Final answer
x = 1,189,112,164.43
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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.