Finding the Fourth Proportional to 449,075,274.70, 673,612,912.05 and 328,142,922.70
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Solution
The fourth proportional to 449,075,274.70, 673,612,912.05 and 328,142,922.70 is: 492,214,384.05
Step by Step Solution
- Step 1: Write the proportion equation
449,075,274.70 : 673,612,912.05 = 328,142,922.70 : x - Step 2: Convert to fraction form
449,075,274.70/673,612,912.05 = 328,142,922.70/x - Step 3: Cross multiply
449,075,274.70x = 673,612,912.05 × 328,142,922.70 - Step 4: Simplify right side
449,075,274.70x = 221,041,309,728,545,024 - Step 5: Solve for x
x = 221,041,309,728,545,024/449,075,274.70 - Step 6: Final answer
x = 492,214,384.05
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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.