Finding the Fourth Proportional to 4,989,990,680.82, 7,480,545,536.43 and 2,368,177,289.46
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Solution
The fourth proportional to 4,989,990,680.82, 7,480,545,536.43 and 2,368,177,289.46 is: 3,550,158,544.43
Step by Step Solution
- Step 1: Write the proportion equation
4,989,990,680.82 : 7,480,545,536.43 = 2,368,177,289.46 : x - Step 2: Convert to fraction form
4,989,990,680.82/7,480,545,536.43 = 2,368,177,289.46/x - Step 3: Cross multiply
4,989,990,680.82x = 7,480,545,536.43 × 2,368,177,289.46 - Step 4: Simplify right side
4,989,990,680.82x = 17,715,258,052,144,900,096 - Step 5: Solve for x
x = 17,715,258,052,144,900,096/4,989,990,680.82 - Step 6: Final answer
x = 3,550,158,544.43
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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.