Finding the Fourth Proportional to 299,383,487.80, 449,075,231.70 and 276,988,607.80
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Solution
The fourth proportional to 299,383,487.80, 449,075,231.70 and 276,988,607.80 is: 415,482,911.70
Step by Step Solution
- Step 1: Write the proportion equation
299,383,487.80 : 449,075,231.70 = 276,988,607.80 : x - Step 2: Convert to fraction form
299,383,487.80/449,075,231.70 = 276,988,607.80/x - Step 3: Cross multiply
299,383,487.80x = 449,075,231.70 × 276,988,607.80 - Step 4: Simplify right side
299,383,487.80x = 124,388,723,226,045,424 - Step 5: Solve for x
x = 124,388,723,226,045,424/299,383,487.80 - Step 6: Final answer
x = 415,482,911.70
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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.