Finding the Fourth Proportional to 268,992,021.30, 403,488,031.95 and 244,758,311.70
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Solution
The fourth proportional to 268,992,021.30, 403,488,031.95 and 244,758,311.70 is: 367,137,467.55
Step by Step Solution
- Step 1: Write the proportion equation
268,992,021.30 : 403,488,031.95 = 244,758,311.70 : x - Step 2: Convert to fraction form
268,992,021.30/403,488,031.95 = 244,758,311.70/x - Step 3: Cross multiply
268,992,021.30x = 403,488,031.95 × 244,758,311.70 - Step 4: Simplify right side
268,992,021.30x = 98,757,049,491,237,648 - Step 5: Solve for x
x = 98,757,049,491,237,648/268,992,021.30 - Step 6: Final answer
x = 367,137,467.55
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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.