Finding the Fourth Proportional to 660,145,282.53, 990,250,816.32 and 251,233,125.09
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Solution
The fourth proportional to 660,145,282.53, 990,250,816.32 and 251,233,125.09 is: 376,862,205.62
Step by Step Solution
- Step 1: Write the proportion equation
660,145,282.53 : 990,250,816.32 = 251,233,125.09 : x - Step 2: Convert to fraction form
660,145,282.53/990,250,816.32 = 251,233,125.09/x - Step 3: Cross multiply
660,145,282.53x = 990,250,816.32 × 251,233,125.09 - Step 4: Simplify right side
660,145,282.53x = 248,783,807,206,997,184 - Step 5: Solve for x
x = 248,783,807,206,997,184/660,145,282.53 - Step 6: Final answer
x = 376,862,205.62
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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.