Finding the Fourth Proportional to 567,216,230.80, 850,824,346.20 and 485,586,893.20
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Solution
The fourth proportional to 567,216,230.80, 850,824,346.20 and 485,586,893.20 is: 728,380,339.80
Step by Step Solution
- Step 1: Write the proportion equation
567,216,230.80 : 850,824,346.20 = 485,586,893.20 : x - Step 2: Convert to fraction form
567,216,230.80/850,824,346.20 = 485,586,893.20/x - Step 3: Cross multiply
567,216,230.80x = 850,824,346.20 × 485,586,893.20 - Step 4: Simplify right side
567,216,230.80x = 413,149,150,930,179,264 - Step 5: Solve for x
x = 413,149,150,930,179,264/567,216,230.80 - Step 6: Final answer
x = 728,380,339.80
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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.