Finding the Fourth Proportional to 263,263,150.05, 394,894,725.08 and 186,735,646.05
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Solution
The fourth proportional to 263,263,150.05, 394,894,725.08 and 186,735,646.05 is: 280,103,469.08
Step by Step Solution
- Step 1: Write the proportion equation
263,263,150.05 : 394,894,725.08 = 186,735,646.05 : x - Step 2: Convert to fraction form
263,263,150.05/394,894,725.08 = 186,735,646.05/x - Step 3: Cross multiply
263,263,150.05x = 394,894,725.08 × 186,735,646.05 - Step 4: Simplify right side
263,263,150.05x = 73,740,921,608,617,264 - Step 5: Solve for x
x = 73,740,921,608,617,264/263,263,150.05 - Step 6: Final answer
x = 280,103,469.08
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1.5x scale
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.