Finding the Fourth Proportional to 299,475,423.60, 449,212,532.97 and 281,251,404.06
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Solution
The fourth proportional to 299,475,423.60, 449,212,532.97 and 281,251,404.06 is: 421,876,540.31
Step by Step Solution
- Step 1: Write the proportion equation
299,475,423.60 : 449,212,532.97 = 281,251,404.06 : x - Step 2: Convert to fraction form
299,475,423.60/449,212,532.97 = 281,251,404.06/x - Step 3: Cross multiply
299,475,423.60x = 449,212,532.97 × 281,251,404.06 - Step 4: Simplify right side
299,475,423.60x = 126,341,655,616,160,720 - Step 5: Solve for x
x = 126,341,655,616,160,720/299,475,423.60 - Step 6: Final answer
x = 421,876,540.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.