Finding the Fourth Proportional to 5,133,254,257.68, 7,686,620,442.72 and 3,542,796,189.69
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Solution
The fourth proportional to 5,133,254,257.68, 7,686,620,442.72 and 3,542,796,189.69 is: 5,305,042,035.53
Step by Step Solution
- Step 1: Write the proportion equation
5,133,254,257.68 : 7,686,620,442.72 = 3,542,796,189.69 : x - Step 2: Convert to fraction form
5,133,254,257.68/7,686,620,442.72 = 3,542,796,189.69/x - Step 3: Cross multiply
5,133,254,257.68x = 7,686,620,442.72 × 3,542,796,189.69 - Step 4: Simplify right side
5,133,254,257.68x = 27,232,129,616,061,677,568 - Step 5: Solve for x
x = 27,232,129,616,061,677,568/5,133,254,257.68 - Step 6: Final answer
x = 5,305,042,035.53
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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.