Finding the Fourth Proportional to 201,204,835.80, 301,807,253.70 and 201,204,835.80
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Solution
The fourth proportional to 201,204,835.80, 301,807,253.70 and 201,204,835.80 is: 301,807,253.70
Step by Step Solution
- Step 1: Write the proportion equation
201,204,835.80 : 301,807,253.70 = 201,204,835.80 : x - Step 2: Convert to fraction form
201,204,835.80/301,807,253.70 = 201,204,835.80/x - Step 3: Cross multiply
201,204,835.80x = 301,807,253.70 × 201,204,835.80 - Step 4: Simplify right side
201,204,835.80x = 60,725,078,923,957,440 - Step 5: Solve for x
x = 60,725,078,923,957,440/201,204,835.80 - Step 6: Final answer
x = 301,807,253.70
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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.