Finding the Fourth Proportional to 299,022,943.80, 448,534,415.70 and 222,495,439.80
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Solution
The fourth proportional to 299,022,943.80, 448,534,415.70 and 222,495,439.80 is: 333,743,159.70
Step by Step Solution
- Step 1: Write the proportion equation
299,022,943.80 : 448,534,415.70 = 222,495,439.80 : x - Step 2: Convert to fraction form
299,022,943.80/448,534,415.70 = 222,495,439.80/x - Step 3: Cross multiply
299,022,943.80x = 448,534,415.70 × 222,495,439.80 - Step 4: Simplify right side
299,022,943.80x = 99,796,862,086,607,520 - Step 5: Solve for x
x = 99,796,862,086,607,520/299,022,943.80 - Step 6: Final answer
x = 333,743,159.70
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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.