Finding the Fourth Proportional to 3,590,428,912.75, 5,385,091,183.06 and 1,197,422,334.57
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Solution
The fourth proportional to 3,590,428,912.75, 5,385,091,183.06 and 1,197,422,334.57 is: 1,795,949,345.60
Step by Step Solution
- Step 1: Write the proportion equation
3,590,428,912.75 : 5,385,091,183.06 = 1,197,422,334.57 : x - Step 2: Convert to fraction form
3,590,428,912.75/5,385,091,183.06 = 1,197,422,334.57/x - Step 3: Cross multiply
3,590,428,912.75x = 5,385,091,183.06 × 1,197,422,334.57 - Step 4: Simplify right side
3,590,428,912.75x = 6,448,228,456,292,028,416 - Step 5: Solve for x
x = 6,448,228,456,292,028,416/3,590,428,912.75 - Step 6: Final answer
x = 1,795,949,345.60
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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.