Finding the Fourth Proportional to 1,096,882,115.88, 1,513,697,071.26 and 626,993,552.92
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Solution
The fourth proportional to 1,096,882,115.88, 1,513,697,071.26 and 626,993,552.92 is: 865,250,960.90
Step by Step Solution
- Step 1: Write the proportion equation
1,096,882,115.88 : 1,513,697,071.26 = 626,993,552.92 : x - Step 2: Convert to fraction form
1,096,882,115.88/1,513,697,071.26 = 626,993,552.92/x - Step 3: Cross multiply
1,096,882,115.88x = 1,513,697,071.26 × 626,993,552.92 - Step 4: Simplify right side
1,096,882,115.88x = 949,078,304,753,905,792 - Step 5: Solve for x
x = 949,078,304,753,905,792/1,096,882,115.88 - Step 6: Final answer
x = 865,250,960.90
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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.