Finding the Fourth Proportional to 438,492,180.20, 604,970,239.10 and 250,185,195.99
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Solution
The fourth proportional to 438,492,180.20, 604,970,239.10 and 250,185,195.99 is: 345,170,574.69
Step by Step Solution
- Step 1: Write the proportion equation
438,492,180.20 : 604,970,239.10 = 250,185,195.99 : x - Step 2: Convert to fraction form
438,492,180.20/604,970,239.10 = 250,185,195.99/x - Step 3: Cross multiply
438,492,180.20x = 604,970,239.10 × 250,185,195.99 - Step 4: Simplify right side
438,492,180.20x = 151,354,597,838,368,384 - Step 5: Solve for x
x = 151,354,597,838,368,384/438,492,180.20 - Step 6: Final answer
x = 345,170,574.69
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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.