Finding the Fourth Proportional to 65,350,269,033.63, 90,182,454,554.49 and 36,415,678,478.08
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Solution
The fourth proportional to 65,350,269,033.63, 90,182,454,554.49 and 36,415,678,478.08 is: 50,253,125,472.68
Step by Step Solution
- Step 1: Write the proportion equation
65,350,269,033.63 : 90,182,454,554.49 = 36,415,678,478.08 : x - Step 2: Convert to fraction form
65,350,269,033.63/90,182,454,554.49 = 36,415,678,478.08/x - Step 3: Cross multiply
65,350,269,033.63x = 90,182,454,554.49 × 36,415,678,478.08 - Step 4: Simplify right side
65,350,269,033.63x = 3,284,055,269,420,098,912,256 - Step 5: Solve for x
x = 3,284,055,269,420,098,912,256/65,350,269,033.63 - Step 6: Final answer
x = 50,253,125,472.68
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1.5x scale
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.