Finding the Fourth Proportional to 359,918,494.18, 496,688,000.97 and 194,906,348.26
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Solution
The fourth proportional to 359,918,494.18, 496,688,000.97 and 194,906,348.26 is: 268,971,019.99
Step by Step Solution
- Step 1: Write the proportion equation
359,918,494.18 : 496,688,000.97 = 194,906,348.26 : x - Step 2: Convert to fraction form
359,918,494.18/496,688,000.97 = 194,906,348.26/x - Step 3: Cross multiply
359,918,494.18x = 496,688,000.97 × 194,906,348.26 - Step 4: Simplify right side
359,918,494.18x = 96,807,644,493,622,032 - Step 5: Solve for x
x = 96,807,644,493,622,032/359,918,494.18 - Step 6: Final answer
x = 268,971,019.99
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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.