Finding the Fourth Proportional to 659,987,818.63, 989,366,283.91 and 222,982,887.91
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Solution
The fourth proportional to 659,987,818.63, 989,366,283.91 and 222,982,887.91 is: 334,266,398.50
Step by Step Solution
- Step 1: Write the proportion equation
659,987,818.63 : 989,366,283.91 = 222,982,887.91 : x - Step 2: Convert to fraction form
659,987,818.63/989,366,283.91 = 222,982,887.91/x - Step 3: Cross multiply
659,987,818.63x = 989,366,283.91 × 222,982,887.91 - Step 4: Simplify right side
659,987,818.63x = 220,611,751,187,036,768 - Step 5: Solve for x
x = 220,611,751,187,036,768/659,987,818.63 - Step 6: Final answer
x = 334,266,398.50
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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.