Finding the Fourth Proportional to 512,205,692.70, 768,256,832.49 and 347,268,229.68
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Solution
The fourth proportional to 512,205,692.70, 768,256,832.49 and 347,268,229.68 is: 520,867,288.20
Step by Step Solution
- Step 1: Write the proportion equation
512,205,692.70 : 768,256,832.49 = 347,268,229.68 : x - Step 2: Convert to fraction form
512,205,692.70/768,256,832.49 = 347,268,229.68/x - Step 3: Cross multiply
512,205,692.70x = 768,256,832.49 × 347,268,229.68 - Step 4: Simplify right side
512,205,692.70x = 266,791,190,158,366,624 - Step 5: Solve for x
x = 266,791,190,158,366,624/512,205,692.70 - Step 6: Final answer
x = 520,867,288.20
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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.