Finding the Fourth Proportional to 481,534,494.06, 664,521,506.91 and 261,519,494.70
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Solution
The fourth proportional to 481,534,494.06, 664,521,506.91 and 261,519,494.70 is: 360,899,023.53
Step by Step Solution
- Step 1: Write the proportion equation
481,534,494.06 : 664,521,506.91 = 261,519,494.70 : x - Step 2: Convert to fraction form
481,534,494.06/664,521,506.91 = 261,519,494.70/x - Step 3: Cross multiply
481,534,494.06x = 664,521,506.91 × 261,519,494.70 - Step 4: Simplify right side
481,534,494.06x = 173,785,328,704,385,728 - Step 5: Solve for x
x = 173,785,328,704,385,728/481,534,494.06 - Step 6: Final answer
x = 360,899,023.53
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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.