Finding the Fourth Proportional to 5,253,777,161.84, 7,250,212,253.45 and 2,874,915,295.63
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Solution
The fourth proportional to 5,253,777,161.84, 7,250,212,253.45 and 2,874,915,295.63 is: 3,967,382,982.17
Step by Step Solution
- Step 1: Write the proportion equation
5,253,777,161.84 : 7,250,212,253.45 = 2,874,915,295.63 : x - Step 2: Convert to fraction form
5,253,777,161.84/7,250,212,253.45 = 2,874,915,295.63/x - Step 3: Cross multiply
5,253,777,161.84x = 7,250,212,253.45 × 2,874,915,295.63 - Step 4: Simplify right side
5,253,777,161.84x = 20,843,746,103,996,518,400 - Step 5: Solve for x
x = 20,843,746,103,996,518,400/5,253,777,161.84 - Step 6: Final answer
x = 3,967,382,982.17
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1.5x scale
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.