Finding the Fourth Proportional to 2,885,410,112.66, 4,330,913,942.21 and 1,392,492,286.32
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Solution
The fourth proportional to 2,885,410,112.66, 4,330,913,942.21 and 1,392,492,286.32 is: 2,090,089,111.00
Step by Step Solution
- Step 1: Write the proportion equation
2,885,410,112.66 : 4,330,913,942.21 = 1,392,492,286.32 : x - Step 2: Convert to fraction form
2,885,410,112.66/4,330,913,942.21 = 1,392,492,286.32/x - Step 3: Cross multiply
2,885,410,112.66x = 4,330,913,942.21 × 1,392,492,286.32 - Step 4: Simplify right side
2,885,410,112.66x = 6,030,764,257,236,204,544 - Step 5: Solve for x
x = 6,030,764,257,236,204,544/2,885,410,112.66 - Step 6: Final answer
x = 2,090,089,111.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.