Finding the Fourth Proportional to 373,371,618.24, 515,252,926.56 and 206,107,976.64
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Solution
The fourth proportional to 373,371,618.24, 515,252,926.56 and 206,107,976.64 is: 284,429,059.32
Step by Step Solution
- Step 1: Write the proportion equation
373,371,618.24 : 515,252,926.56 = 206,107,976.64 : x - Step 2: Convert to fraction form
373,371,618.24/515,252,926.56 = 206,107,976.64/x - Step 3: Cross multiply
373,371,618.24x = 515,252,926.56 × 206,107,976.64 - Step 4: Simplify right side
373,371,618.24x = 106,197,738,151,120,112 - Step 5: Solve for x
x = 106,197,738,151,120,112/373,371,618.24 - Step 6: Final answer
x = 284,429,059.32
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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.