Finding the Fourth Proportional to 578,266,769.40, 867,482,515.12 and 179,459,793.68
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Solution
The fourth proportional to 578,266,769.40, 867,482,515.12 and 179,459,793.68 is: 269,215,250.50
Step by Step Solution
- Step 1: Write the proportion equation
578,266,769.40 : 867,482,515.12 = 179,459,793.68 : x - Step 2: Convert to fraction form
578,266,769.40/867,482,515.12 = 179,459,793.68/x - Step 3: Cross multiply
578,266,769.40x = 867,482,515.12 × 179,459,793.68 - Step 4: Simplify right side
578,266,769.40x = 155,678,233,179,656,608 - Step 5: Solve for x
x = 155,678,233,179,656,608/578,266,769.40 - Step 6: Final answer
x = 269,215,250.50
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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.