Finding the Fourth Proportional to 7,864,554,397.23, 11,796,933,825.54 and 2,624,162,607.09
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Solution
The fourth proportional to 7,864,554,397.23, 11,796,933,825.54 and 2,624,162,607.09 is: 3,936,278,021.57
Step by Step Solution
- Step 1: Write the proportion equation
7,864,554,397.23 : 11,796,933,825.54 = 2,624,162,607.09 : x - Step 2: Convert to fraction form
7,864,554,397.23/11,796,933,825.54 = 2,624,162,607.09/x - Step 3: Cross multiply
7,864,554,397.23x = 11,796,933,825.54 × 2,624,162,607.09 - Step 4: Simplify right side
7,864,554,397.23x = 30,957,072,623,297,257,472 - Step 5: Solve for x
x = 30,957,072,623,297,257,472/7,864,554,397.23 - Step 6: Final answer
x = 3,936,278,021.57
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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.