Finding the Fourth Proportional to 283,840,805.70, 425,761,208.55 and 283,840,805.70
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Solution
The fourth proportional to 283,840,805.70, 425,761,208.55 and 283,840,805.70 is: 425,761,208.55
Step by Step Solution
- Step 1: Write the proportion equation
283,840,805.70 : 425,761,208.55 = 283,840,805.70 : x - Step 2: Convert to fraction form
283,840,805.70/425,761,208.55 = 283,840,805.70/x - Step 3: Cross multiply
283,840,805.70x = 425,761,208.55 × 283,840,805.70 - Step 4: Simplify right side
283,840,805.70x = 120,848,404,470,637,728 - Step 5: Solve for x
x = 120,848,404,470,637,728/283,840,805.70 - Step 6: Final answer
x = 425,761,208.55
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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.