Finding the Fourth Proportional to 446,148,137.80, 669,222,206.70 and 433,393,553.80
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Solution
The fourth proportional to 446,148,137.80, 669,222,206.70 and 433,393,553.80 is: 650,090,330.70
Step by Step Solution
- Step 1: Write the proportion equation
446,148,137.80 : 669,222,206.70 = 433,393,553.80 : x - Step 2: Convert to fraction form
446,148,137.80/669,222,206.70 = 433,393,553.80/x - Step 3: Cross multiply
446,148,137.80x = 669,222,206.70 × 433,393,553.80 - Step 4: Simplify right side
446,148,137.80x = 290,036,590,443,591,168 - Step 5: Solve for x
x = 290,036,590,443,591,168/446,148,137.80 - Step 6: Final answer
x = 650,090,330.70
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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.