Finding the Fourth Proportional to 2,106,536,771.49, 2,907,067,717.35 and 1,202,274,567.78
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Solution
The fourth proportional to 2,106,536,771.49, 2,907,067,717.35 and 1,202,274,567.78 is: 1,659,165,712.50
Step by Step Solution
- Step 1: Write the proportion equation
2,106,536,771.49 : 2,907,067,717.35 = 1,202,274,567.78 : x - Step 2: Convert to fraction form
2,106,536,771.49/2,907,067,717.35 = 1,202,274,567.78/x - Step 3: Cross multiply
2,106,536,771.49x = 2,907,067,717.35 × 1,202,274,567.78 - Step 4: Simplify right side
2,106,536,771.49x = 3,495,093,583,384,162,304 - Step 5: Solve for x
x = 3,495,093,583,384,162,304/2,106,536,771.49 - Step 6: Final answer
x = 1,659,165,712.50
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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.