Finding the Fourth Proportional to 6,960,307,516.96, 10,440,178,135.26 and 1,719,783,759.28
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Solution
The fourth proportional to 6,960,307,516.96, 10,440,178,135.26 and 1,719,783,759.28 is: 2,579,605,679.38
Step by Step Solution
- Step 1: Write the proportion equation
6,960,307,516.96 : 10,440,178,135.26 = 1,719,783,759.28 : x - Step 2: Convert to fraction form
6,960,307,516.96/10,440,178,135.26 = 1,719,783,759.28/x - Step 3: Cross multiply
6,960,307,516.96x = 10,440,178,135.26 × 1,719,783,759.28 - Step 4: Simplify right side
6,960,307,516.96x = 17,954,848,801,010,302,976 - Step 5: Solve for x
x = 17,954,848,801,010,302,976/6,960,307,516.96 - Step 6: Final answer
x = 2,579,605,679.38
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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.