Finding the Fourth Proportional to 348,647,349.97, 481,117,819.46 and 199,861,803.37
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Solution
The fourth proportional to 348,647,349.97, 481,117,819.46 and 199,861,803.37 is: 275,800,389.82
Step by Step Solution
- Step 1: Write the proportion equation
348,647,349.97 : 481,117,819.46 = 199,861,803.37 : x - Step 2: Convert to fraction form
348,647,349.97/481,117,819.46 = 199,861,803.37/x - Step 3: Cross multiply
348,647,349.97x = 481,117,819.46 × 199,861,803.37 - Step 4: Simplify right side
348,647,349.97x = 96,157,075,030,717,680 - Step 5: Solve for x
x = 96,157,075,030,717,680/348,647,349.97 - Step 6: Final answer
x = 275,800,389.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.