Finding the Fourth Proportional to 3,111,790,448.73, 4,294,283,757.29 and 1,682,861,555.26
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Solution
The fourth proportional to 3,111,790,448.73, 4,294,283,757.29 and 1,682,861,555.26 is: 2,322,355,943.17
Step by Step Solution
- Step 1: Write the proportion equation
3,111,790,448.73 : 4,294,283,757.29 = 1,682,861,555.26 : x - Step 2: Convert to fraction form
3,111,790,448.73/4,294,283,757.29 = 1,682,861,555.26/x - Step 3: Cross multiply
3,111,790,448.73x = 4,294,283,757.29 × 1,682,861,555.26 - Step 4: Simplify right side
3,111,790,448.73x = 7,226,685,042,520,805,376 - Step 5: Solve for x
x = 7,226,685,042,520,805,376/3,111,790,448.73 - Step 6: Final answer
x = 2,322,355,943.17
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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.