Finding the Fourth Proportional to 3,244,819,848.24, 4,866,548,678.81 and 915,212,034.12
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Solution
The fourth proportional to 3,244,819,848.24, 4,866,548,678.81 and 915,212,034.12 is: 1,372,625,946.52
Step by Step Solution
- Step 1: Write the proportion equation
3,244,819,848.24 : 4,866,548,678.81 = 915,212,034.12 : x - Step 2: Convert to fraction form
3,244,819,848.24/4,866,548,678.81 = 915,212,034.12/x - Step 3: Cross multiply
3,244,819,848.24x = 4,866,548,678.81 × 915,212,034.12 - Step 4: Simplify right side
3,244,819,848.24x = 4,453,923,915,477,699,072 - Step 5: Solve for x
x = 4,453,923,915,477,699,072/3,244,819,848.24 - Step 6: Final answer
x = 1,372,625,946.52
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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.