Finding the Fourth Proportional to 336,610,851.80, 504,916,277.70 and 155,212,323.80
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Solution
The fourth proportional to 336,610,851.80, 504,916,277.70 and 155,212,323.80 is: 232,818,485.70
Step by Step Solution
- Step 1: Write the proportion equation
336,610,851.80 : 504,916,277.70 = 155,212,323.80 : x - Step 2: Convert to fraction form
336,610,851.80/504,916,277.70 = 155,212,323.80/x - Step 3: Cross multiply
336,610,851.80x = 504,916,277.70 × 155,212,323.80 - Step 4: Simplify right side
336,610,851.80x = 78,369,228,786,263,120 - Step 5: Solve for x
x = 78,369,228,786,263,120/336,610,851.80 - Step 6: Final answer
x = 232,818,485.70
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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.