Finding the Fourth Proportional to 361,375,124.88, 498,700,821.96 and 196,362,693.84
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Solution
The fourth proportional to 361,375,124.88, 498,700,821.96 and 196,362,693.84 is: 270,982,228.93
Step by Step Solution
- Step 1: Write the proportion equation
361,375,124.88 : 498,700,821.96 = 196,362,693.84 : x - Step 2: Convert to fraction form
361,375,124.88/498,700,821.96 = 196,362,693.84/x - Step 3: Cross multiply
361,375,124.88x = 498,700,821.96 × 196,362,693.84 - Step 4: Simplify right side
361,375,124.88x = 97,926,236,820,287,824 - Step 5: Solve for x
x = 97,926,236,820,287,824/361,375,124.88 - Step 6: Final answer
x = 270,982,228.93
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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.