Finding the Fourth Proportional to 2,192,315,785.24, 3,025,392,546.42 and 1,188,731,528.94
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Solution
The fourth proportional to 2,192,315,785.24, 3,025,392,546.42 and 1,188,731,528.94 is: 1,640,447,754.64
Step by Step Solution
- Step 1: Write the proportion equation
2,192,315,785.24 : 3,025,392,546.42 = 1,188,731,528.94 : x - Step 2: Convert to fraction form
2,192,315,785.24/3,025,392,546.42 = 1,188,731,528.94/x - Step 3: Cross multiply
2,192,315,785.24x = 3,025,392,546.42 × 1,188,731,528.94 - Step 4: Simplify right side
2,192,315,785.24x = 3,596,379,507,349,527,040 - Step 5: Solve for x
x = 3,596,379,507,349,527,040/2,192,315,785.24 - Step 6: Final answer
x = 1,640,447,754.64
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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.