Finding the Fourth Proportional to 36,139,770,064.81, 49,873,334,616.95 and 19,865,153,743.05
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Solution
The fourth proportional to 36,139,770,064.81, 49,873,334,616.95 and 19,865,153,743.05 is: 27,414,160,578.98
Step by Step Solution
- Step 1: Write the proportion equation
36,139,770,064.81 : 49,873,334,616.95 = 19,865,153,743.05 : x - Step 2: Convert to fraction form
36,139,770,064.81/49,873,334,616.95 = 19,865,153,743.05/x - Step 3: Cross multiply
36,139,770,064.81x = 49,873,334,616.95 × 19,865,153,743.05 - Step 4: Simplify right side
36,139,770,064.81x = 990,741,459,844,289,396,736 - Step 5: Solve for x
x = 990,741,459,844,289,396,736/36,139,770,064.81 - Step 6: Final answer
x = 27,414,160,578.98
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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.