Finding the Fourth Proportional to 288,044,515.36, 397,503,909.68 and 164,291,458.24
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Solution
The fourth proportional to 288,044,515.36, 397,503,909.68 and 164,291,458.24 is: 226,723,626.02
Step by Step Solution
- Step 1: Write the proportion equation
288,044,515.36 : 397,503,909.68 = 164,291,458.24 : x - Step 2: Convert to fraction form
288,044,515.36/397,503,909.68 = 164,291,458.24/x - Step 3: Cross multiply
288,044,515.36x = 397,503,909.68 × 164,291,458.24 - Step 4: Simplify right side
288,044,515.36x = 65,306,496,977,428,456 - Step 5: Solve for x
x = 65,306,496,977,428,456/288,044,515.36 - Step 6: Final answer
x = 226,723,626.02
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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.