Finding the Fourth Proportional to 635,225,537.08, 876,505,769.58 and 374,429,694.52
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Solution
The fourth proportional to 635,225,537.08, 876,505,769.58 and 374,429,694.52 is: 516,650,808.87
Step by Step Solution
- Step 1: Write the proportion equation
635,225,537.08 : 876,505,769.58 = 374,429,694.52 : x - Step 2: Convert to fraction form
635,225,537.08/876,505,769.58 = 374,429,694.52/x - Step 3: Cross multiply
635,225,537.08x = 876,505,769.58 × 374,429,694.52 - Step 4: Simplify right side
635,225,537.08x = 328,189,787,548,856,896 - Step 5: Solve for x
x = 328,189,787,548,856,896/635,225,537.08 - Step 6: Final answer
x = 516,650,808.87
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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.