Finding the Fourth Proportional to 3,992,498,322.60, 5,509,277,940.38 and 2,208,313,375.14
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Solution
The fourth proportional to 3,992,498,322.60, 5,509,277,940.38 and 2,208,313,375.14 is: 3,047,267,946.04
Step by Step Solution
- Step 1: Write the proportion equation
3,992,498,322.60 : 5,509,277,940.38 = 2,208,313,375.14 : x - Step 2: Convert to fraction form
3,992,498,322.60/5,509,277,940.38 = 2,208,313,375.14/x - Step 3: Cross multiply
3,992,498,322.60x = 5,509,277,940.38 × 2,208,313,375.14 - Step 4: Simplify right side
3,992,498,322.60x = 12,166,212,163,093,862,400 - Step 5: Solve for x
x = 12,166,212,163,093,862,400/3,992,498,322.60 - Step 6: Final answer
x = 3,047,267,946.04
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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.