Finding the Fourth Proportional to 282,362,685.04, 389,706,715.97 and 235,245,043.06
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Solution
The fourth proportional to 282,362,685.04, 389,706,715.97 and 235,245,043.06 is: 324,676,658.91
Step by Step Solution
- Step 1: Write the proportion equation
282,362,685.04 : 389,706,715.97 = 235,245,043.06 : x - Step 2: Convert to fraction form
282,362,685.04/389,706,715.97 = 235,245,043.06/x - Step 3: Cross multiply
282,362,685.04x = 389,706,715.97 × 235,245,043.06 - Step 4: Simplify right side
282,362,685.04x = 91,676,573,179,189,952 - Step 5: Solve for x
x = 91,676,573,179,189,952/282,362,685.04 - Step 6: Final answer
x = 324,676,658.91
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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.