Finding the Fourth Proportional to 395,793,325.84, 546,133,193.76 and 226,245,143.20
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Solution
The fourth proportional to 395,793,325.84, 546,133,193.76 and 226,245,143.20 is: 312,183,087.89
Step by Step Solution
- Step 1: Write the proportion equation
395,793,325.84 : 546,133,193.76 = 226,245,143.20 : x - Step 2: Convert to fraction form
395,793,325.84/546,133,193.76 = 226,245,143.20/x - Step 3: Cross multiply
395,793,325.84x = 546,133,193.76 × 226,245,143.20 - Step 4: Simplify right side
395,793,325.84x = 123,559,982,628,504,544 - Step 5: Solve for x
x = 123,559,982,628,504,544/395,793,325.84 - Step 6: Final answer
x = 312,183,087.89
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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.