Finding the Fourth Proportional to 484,118,879.58, 667,992,682.71 and 288,566,787.42
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Solution
The fourth proportional to 484,118,879.58, 667,992,682.71 and 288,566,787.42 is: 398,167,703.43
Step by Step Solution
- Step 1: Write the proportion equation
484,118,879.58 : 667,992,682.71 = 288,566,787.42 : x - Step 2: Convert to fraction form
484,118,879.58/667,992,682.71 = 288,566,787.42/x - Step 3: Cross multiply
484,118,879.58x = 667,992,682.71 × 288,566,787.42 - Step 4: Simplify right side
484,118,879.58x = 192,760,502,469,692,096 - Step 5: Solve for x
x = 192,760,502,469,692,096/484,118,879.58 - Step 6: Final answer
x = 398,167,703.43
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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.