Finding the Fourth Proportional to 437,029,252.80, 655,543,879.20 and 437,029,252.80
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Solution
The fourth proportional to 437,029,252.80, 655,543,879.20 and 437,029,252.80 is: 655,543,879.20
Step by Step Solution
- Step 1: Write the proportion equation
437,029,252.80 : 655,543,879.20 = 437,029,252.80 : x - Step 2: Convert to fraction form
437,029,252.80/655,543,879.20 = 437,029,252.80/x - Step 3: Cross multiply
437,029,252.80x = 655,543,879.20 × 437,029,252.80 - Step 4: Simplify right side
437,029,252.80x = 286,491,851,704,389,504 - Step 5: Solve for x
x = 286,491,851,704,389,504/437,029,252.80 - Step 6: Final answer
x = 655,543,879.20
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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.