Finding the Fourth Proportional to 2,125,861,450.40, 3,188,792,175.60 and 745,177,732.40
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Solution
The fourth proportional to 2,125,861,450.40, 3,188,792,175.60 and 745,177,732.40 is: 1,117,766,598.60
Step by Step Solution
- Step 1: Write the proportion equation
2,125,861,450.40 : 3,188,792,175.60 = 745,177,732.40 : x - Step 2: Convert to fraction form
2,125,861,450.40/3,188,792,175.60 = 745,177,732.40/x - Step 3: Cross multiply
2,125,861,450.40x = 3,188,792,175.60 × 745,177,732.40 - Step 4: Simplify right side
2,125,861,450.40x = 2,376,216,922,508,470,272 - Step 5: Solve for x
x = 2,376,216,922,508,470,272/2,125,861,450.40 - Step 6: Final answer
x = 1,117,766,598.60
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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.