Finding the Fourth Proportional to 1,916,379,119.97, 2,874,798,161.87 and 588,233,190.87
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Solution
The fourth proportional to 1,916,379,119.97, 2,874,798,161.87 and 588,233,190.87 is: 882,420,225.85
Step by Step Solution
- Step 1: Write the proportion equation
1,916,379,119.97 : 2,874,798,161.87 = 588,233,190.87 : x - Step 2: Convert to fraction form
1,916,379,119.97/2,874,798,161.87 = 588,233,190.87/x - Step 3: Cross multiply
1,916,379,119.97x = 2,874,798,161.87 × 588,233,190.87 - Step 4: Simplify right side
1,916,379,119.97x = 1,691,051,695,861,059,584 - Step 5: Solve for x
x = 1,691,051,695,861,059,584/1,916,379,119.97 - Step 6: Final answer
x = 882,420,225.85
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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.