Finding the Fourth Proportional to 559,876,797.20, 839,815,195.80 and 236,760,669.20
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Solution
The fourth proportional to 559,876,797.20, 839,815,195.80 and 236,760,669.20 is: 355,141,003.80
Step by Step Solution
- Step 1: Write the proportion equation
559,876,797.20 : 839,815,195.80 = 236,760,669.20 : x - Step 2: Convert to fraction form
559,876,797.20/839,815,195.80 = 236,760,669.20/x - Step 3: Cross multiply
559,876,797.20x = 839,815,195.80 × 236,760,669.20 - Step 4: Simplify right side
559,876,797.20x = 198,835,207,761,937,024 - Step 5: Solve for x
x = 198,835,207,761,937,024/559,876,797.20 - Step 6: Final answer
x = 355,141,003.80
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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.