Finding the Fourth Proportional to 294,745,134.96, 406,738,337.88 and 162,591,412.08
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Solution
The fourth proportional to 294,745,134.96, 406,738,337.88 and 162,591,412.08 is: 224,370,660.81
Step by Step Solution
- Step 1: Write the proportion equation
294,745,134.96 : 406,738,337.88 = 162,591,412.08 : x - Step 2: Convert to fraction form
294,745,134.96/406,738,337.88 = 162,591,412.08/x - Step 3: Cross multiply
294,745,134.96x = 406,738,337.88 × 162,591,412.08 - Step 4: Simplify right side
294,745,134.96x = 66,132,160,702,981,360 - Step 5: Solve for x
x = 66,132,160,702,981,360/294,745,134.96 - Step 6: Final answer
x = 224,370,660.81
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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.