Finding the Fourth Proportional to 4,212,492,721.16, 5,810,440,819.73 and 2,709,019,850.73
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Solution
The fourth proportional to 4,212,492,721.16, 5,810,440,819.73 and 2,709,019,850.73 is: 3,736,647,292.72
Step by Step Solution
- Step 1: Write the proportion equation
4,212,492,721.16 : 5,810,440,819.73 = 2,709,019,850.73 : x - Step 2: Convert to fraction form
4,212,492,721.16/5,810,440,819.73 = 2,709,019,850.73/x - Step 3: Cross multiply
4,212,492,721.16x = 5,810,440,819.73 × 2,709,019,850.73 - Step 4: Simplify right side
4,212,492,721.16x = 15,740,599,522,126,919,680 - Step 5: Solve for x
x = 15,740,599,522,126,919,680/4,212,492,721.16 - Step 6: Final answer
x = 3,736,647,292.72
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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.