Finding the Fourth Proportional to 2,539,682,475.92, 3,809,536,556.12 and 792,738,772.56
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Solution
The fourth proportional to 2,539,682,475.92, 3,809,536,556.12 and 792,738,772.56 is: 1,189,112,167.43
Step by Step Solution
- Step 1: Write the proportion equation
2,539,682,475.92 : 3,809,536,556.12 = 792,738,772.56 : x - Step 2: Convert to fraction form
2,539,682,475.92/3,809,536,556.12 = 792,738,772.56/x - Step 3: Cross multiply
2,539,682,475.92x = 3,809,536,556.12 × 792,738,772.56 - Step 4: Simplify right side
2,539,682,475.92x = 3,019,967,333,521,017,856 - Step 5: Solve for x
x = 3,019,967,333,521,017,856/2,539,682,475.92 - Step 6: Final answer
x = 1,189,112,167.43
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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.