Finding the Fourth Proportional to 3,601,336,963.81, 4,969,738,270.94 and 1,993,863,601.62
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Solution
The fourth proportional to 3,601,336,963.81, 4,969,738,270.94 and 1,993,863,601.62 is: 2,751,472,674.61
Step by Step Solution
- Step 1: Write the proportion equation
3,601,336,963.81 : 4,969,738,270.94 = 1,993,863,601.62 : x - Step 2: Convert to fraction form
3,601,336,963.81/4,969,738,270.94 = 1,993,863,601.62/x - Step 3: Cross multiply
3,601,336,963.81x = 4,969,738,270.94 × 1,993,863,601.62 - Step 4: Simplify right side
3,601,336,963.81x = 9,908,980,247,980,331,008 - Step 5: Solve for x
x = 9,908,980,247,980,331,008/3,601,336,963.81 - Step 6: Final answer
x = 2,751,472,674.61
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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.