Finding the Fourth Proportional to 39,202,106,212,243, 54,103,650,442,264 and 22,311,793,579,455
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Solution
The fourth proportional to 39,202,106,212,243, 54,103,650,442,264 and 22,311,793,579,455 is: 30,792,975,102,592.45
Step by Step Solution
- Step 1: Write the proportion equation
39,202,106,212,243 : 54,103,650,442,264 = 22,311,793,579,455 : x - Step 2: Convert to fraction form
39,202,106,212,243/54,103,650,442,264 = 22,311,793,579,455/x - Step 3: Cross multiply
39,202,106,212,243x = 54,103,650,442,264 × 22,311,793,579,455 - Step 4: Simplify right side
39,202,106,212,243x = 1,207,149,480,562,783,624,275,951,616 - Step 5: Solve for x
x = 1,207,149,480,562,783,624,275,951,616/39,202,106,212,243 - Step 6: Final answer
x = 30,792,975,102,592.45
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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.