Finding the Fourth Proportional to 365,849,996.36, 504,873,479.58 and 198,586,148.99
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Solution
The fourth proportional to 365,849,996.36, 504,873,479.58 and 198,586,148.99 is: 274,049,148.65
Step by Step Solution
- Step 1: Write the proportion equation
365,849,996.36 : 504,873,479.58 = 198,586,148.99 : x - Step 2: Convert to fraction form
365,849,996.36/504,873,479.58 = 198,586,148.99/x - Step 3: Cross multiply
365,849,996.36x = 504,873,479.58 × 198,586,148.99 - Step 4: Simplify right side
365,849,996.36x = 100,260,880,038,235,792 - Step 5: Solve for x
x = 100,260,880,038,235,792/365,849,996.36 - Step 6: Final answer
x = 274,049,148.65
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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.