Finding the Fourth Proportional to 285,586,202.05, 428,433,070.47 and 203,501,449.05
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Solution
The fourth proportional to 285,586,202.05, 428,433,070.47 and 203,501,449.05 is: 305,290,486.85
Step by Step Solution
- Step 1: Write the proportion equation
285,586,202.05 : 428,433,070.47 = 203,501,449.05 : x - Step 2: Convert to fraction form
285,586,202.05/428,433,070.47 = 203,501,449.05/x - Step 3: Cross multiply
285,586,202.05x = 428,433,070.47 × 203,501,449.05 - Step 4: Simplify right side
285,586,202.05x = 87,186,750,661,585,776 - Step 5: Solve for x
x = 87,186,750,661,585,776/285,586,202.05 - Step 6: Final answer
x = 305,290,486.85
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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.