Finding the Fourth Proportional to 2,019,682,704.84, 2,786,949,713.70 and 1,172,744,472.48
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Solution
The fourth proportional to 2,019,682,704.84, 2,786,949,713.70 and 1,172,744,472.48 is: 1,618,264,029.29
Step by Step Solution
- Step 1: Write the proportion equation
2,019,682,704.84 : 2,786,949,713.70 = 1,172,744,472.48 : x - Step 2: Convert to fraction form
2,019,682,704.84/2,786,949,713.70 = 1,172,744,472.48/x - Step 3: Cross multiply
2,019,682,704.84x = 2,786,949,713.70 × 1,172,744,472.48 - Step 4: Simplify right side
2,019,682,704.84x = 3,268,379,871,821,393,408 - Step 5: Solve for x
x = 3,268,379,871,821,393,408/2,019,682,704.84 - Step 6: Final answer
x = 1,618,264,029.29
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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.