Finding the Fourth Proportional to 920,060,546.18, 1,269,678,531.60 and 502,369,842.15
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Solution
The fourth proportional to 920,060,546.18, 1,269,678,531.60 and 502,369,842.15 is: 693,267,640.00
Step by Step Solution
- Step 1: Write the proportion equation
920,060,546.18 : 1,269,678,531.60 = 502,369,842.15 : x - Step 2: Convert to fraction form
920,060,546.18/1,269,678,531.60 = 502,369,842.15/x - Step 3: Cross multiply
920,060,546.18x = 1,269,678,531.60 × 502,369,842.15 - Step 4: Simplify right side
920,060,546.18x = 637,848,203,501,135,744 - Step 5: Solve for x
x = 637,848,203,501,135,744/920,060,546.18 - Step 6: Final answer
x = 693,267,640.00
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1.5x scale
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.