Finding the Fourth Proportional to 73,682,512,079.09, 101,681,866,829.59 and 39,849,807,184.07
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Solution
The fourth proportional to 73,682,512,079.09, 101,681,866,829.59 and 39,849,807,184.07 is: 54,992,734,000.79
Step by Step Solution
- Step 1: Write the proportion equation
73,682,512,079.09 : 101,681,866,829.59 = 39,849,807,184.07 : x - Step 2: Convert to fraction form
73,682,512,079.09/101,681,866,829.59 = 39,849,807,184.07/x - Step 3: Cross multiply
73,682,512,079.09x = 101,681,866,829.59 × 39,849,807,184.07 - Step 4: Simplify right side
73,682,512,079.09x = 4,052,002,787,274,936,287,232 - Step 5: Solve for x
x = 4,052,002,787,274,936,287,232/73,682,512,079.09 - Step 6: Final answer
x = 54,992,734,000.79
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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.