Finding the Fourth Proportional to 481,476,048.66, 664,425,704.64 and 283,250,306.88
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Solution
The fourth proportional to 481,476,048.66, 664,425,704.64 and 283,250,306.88 is: 390,878,809.57
Step by Step Solution
- Step 1: Write the proportion equation
481,476,048.66 : 664,425,704.64 = 283,250,306.88 : x - Step 2: Convert to fraction form
481,476,048.66/664,425,704.64 = 283,250,306.88/x - Step 3: Cross multiply
481,476,048.66x = 664,425,704.64 × 283,250,306.88 - Step 4: Simplify right side
481,476,048.66x = 188,198,784,738,240,224 - Step 5: Solve for x
x = 188,198,784,738,240,224/481,476,048.66 - Step 6: Final answer
x = 390,878,809.57
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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.