Finding the Fourth Proportional to 20,104,589,972.02, 27,743,995,676.58 and 11,073,189,107.92
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Solution
The fourth proportional to 20,104,589,972.02, 27,743,995,676.58 and 11,073,189,107.92 is: 15,280,814,538.55
Step by Step Solution
- Step 1: Write the proportion equation
20,104,589,972.02 : 27,743,995,676.58 = 11,073,189,107.92 : x - Step 2: Convert to fraction form
20,104,589,972.02/27,743,995,676.58 = 11,073,189,107.92/x - Step 3: Cross multiply
20,104,589,972.02x = 27,743,995,676.58 × 11,073,189,107.92 - Step 4: Simplify right side
20,104,589,972.02x = 307,214,510,736,085,221,376 - Step 5: Solve for x
x = 307,214,510,736,085,221,376/20,104,589,972.02 - Step 6: Final answer
x = 15,280,814,538.55
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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.