Finding the Fourth Proportional to 827,292,265.84, 1,240,927,769.40 and 274,848,717.52
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Solution
The fourth proportional to 827,292,265.84, 1,240,927,769.40 and 274,848,717.52 is: 412,269,544.92
Step by Step Solution
- Step 1: Write the proportion equation
827,292,265.84 : 1,240,927,769.40 = 274,848,717.52 : x - Step 2: Convert to fraction form
827,292,265.84/1,240,927,769.40 = 274,848,717.52/x - Step 3: Cross multiply
827,292,265.84x = 1,240,927,769.40 × 274,848,717.52 - Step 4: Simplify right side
827,292,265.84x = 341,067,405,954,544,320 - Step 5: Solve for x
x = 341,067,405,954,544,320/827,292,265.84 - Step 6: Final answer
x = 412,269,544.92
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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.