Finding the Fourth Proportional to 336,529,455.75, 504,859,629.60 and 129,252,703.50
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Solution
The fourth proportional to 336,529,455.75, 504,859,629.60 and 129,252,703.50 is: 193,904,191.44
Step by Step Solution
- Step 1: Write the proportion equation
336,529,455.75 : 504,859,629.60 = 129,252,703.50 : x - Step 2: Convert to fraction form
336,529,455.75/504,859,629.60 = 129,252,703.50/x - Step 3: Cross multiply
336,529,455.75x = 504,859,629.60 × 129,252,703.50 - Step 4: Simplify right side
336,529,455.75x = 65,254,472,013,808,624 - Step 5: Solve for x
x = 65,254,472,013,808,624/336,529,455.75 - Step 6: Final answer
x = 193,904,191.44
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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.