Finding the Fourth Proportional to 355,352,924.79, 490,510,318.82 and 244,211,676.75
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Solution
The fourth proportional to 355,352,924.79, 490,510,318.82 and 244,211,676.75 is: 337,096,838.28
Step by Step Solution
- Step 1: Write the proportion equation
355,352,924.79 : 490,510,318.82 = 244,211,676.75 : x - Step 2: Convert to fraction form
355,352,924.79/490,510,318.82 = 244,211,676.75/x - Step 3: Cross multiply
355,352,924.79x = 490,510,318.82 × 244,211,676.75 - Step 4: Simplify right side
355,352,924.79x = 119,788,347,420,988,224 - Step 5: Solve for x
x = 119,788,347,420,988,224/355,352,924.79 - Step 6: Final answer
x = 337,096,838.28
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1.5x scale
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.