Finding the Fourth Proportional to 481,979,997.26, 665,146,426.84 and 273,129,195.50
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Solution
The fourth proportional to 481,979,997.26, 665,146,426.84 and 273,129,195.50 is: 376,926,240.68
Step by Step Solution
- Step 1: Write the proportion equation
481,979,997.26 : 665,146,426.84 = 273,129,195.50 : x - Step 2: Convert to fraction form
481,979,997.26/665,146,426.84 = 273,129,195.50/x - Step 3: Cross multiply
481,979,997.26x = 665,146,426.84 × 273,129,195.50 - Step 4: Simplify right side
481,979,997.26x = 181,670,908,452,508,832 - Step 5: Solve for x
x = 181,670,908,452,508,832/481,979,997.26 - Step 6: Final answer
x = 376,926,240.68
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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.