Finding the Fourth Proportional to 590,491,447.80, 885,737,171.70 and 202,185,223.80
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Solution
The fourth proportional to 590,491,447.80, 885,737,171.70 and 202,185,223.80 is: 303,277,835.70
Step by Step Solution
- Step 1: Write the proportion equation
590,491,447.80 : 885,737,171.70 = 202,185,223.80 : x - Step 2: Convert to fraction form
590,491,447.80/885,737,171.70 = 202,185,223.80/x - Step 3: Cross multiply
590,491,447.80x = 885,737,171.70 × 202,185,223.80 - Step 4: Simplify right side
590,491,447.80x = 179,082,968,288,143,552 - Step 5: Solve for x
x = 179,082,968,288,143,552/590,491,447.80 - Step 6: Final answer
x = 303,277,835.70
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Double scale
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Similar ratio
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1.5x scale
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.