Finding the Fourth Proportional to 682,595,429.68, 941,974,986.73 and 369,322,769.98
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Solution
The fourth proportional to 682,595,429.68, 941,974,986.73 and 369,322,769.98 is: 509,661,794.12
Step by Step Solution
- Step 1: Write the proportion equation
682,595,429.68 : 941,974,986.73 = 369,322,769.98 : x - Step 2: Convert to fraction form
682,595,429.68/941,974,986.73 = 369,322,769.98/x - Step 3: Cross multiply
682,595,429.68x = 941,974,986.73 × 369,322,769.98 - Step 4: Simplify right side
682,595,429.68x = 347,892,811,350,997,376 - Step 5: Solve for x
x = 347,892,811,350,997,376/682,595,429.68 - Step 6: Final answer
x = 509,661,794.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.