Finding the Fourth Proportional to 7,624,156,481.51, 10,518,072,272.96 and 4,761,328,579.07
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Solution
The fourth proportional to 7,624,156,481.51, 10,518,072,272.96 and 4,761,328,579.07 is: 6,568,595,257.90
Step by Step Solution
- Step 1: Write the proportion equation
7,624,156,481.51 : 10,518,072,272.96 = 4,761,328,579.07 : x - Step 2: Convert to fraction form
7,624,156,481.51/10,518,072,272.96 = 4,761,328,579.07/x - Step 3: Cross multiply
7,624,156,481.51x = 10,518,072,272.96 × 4,761,328,579.07 - Step 4: Simplify right side
7,624,156,481.51x = 50,079,998,109,891,796,992 - Step 5: Solve for x
x = 50,079,998,109,891,796,992/7,624,156,481.51 - Step 6: Final answer
x = 6,568,595,257.90
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1.5x scale
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.