Finding the Fourth Proportional to 5,457,963,857.46, 7,531,990,135.18 and 2,951,837,568.94
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Solution
The fourth proportional to 5,457,963,857.46, 7,531,990,135.18 and 2,951,837,568.94 is: 4,073,535,851.56
Step by Step Solution
- Step 1: Write the proportion equation
5,457,963,857.46 : 7,531,990,135.18 = 2,951,837,568.94 : x - Step 2: Convert to fraction form
5,457,963,857.46/7,531,990,135.18 = 2,951,837,568.94/x - Step 3: Cross multiply
5,457,963,857.46x = 7,531,990,135.18 × 2,951,837,568.94 - Step 4: Simplify right side
5,457,963,857.46x = 22,233,211,449,883,582,464 - Step 5: Solve for x
x = 22,233,211,449,883,582,464/5,457,963,857.46 - Step 6: Final answer
x = 4,073,535,851.56
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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.