Finding the Fourth Proportional to 308,395,514.70, 462,593,272.05 and 294,790,625.10
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Solution
The fourth proportional to 308,395,514.70, 462,593,272.05 and 294,790,625.10 is: 442,185,937.65
Step by Step Solution
- Step 1: Write the proportion equation
308,395,514.70 : 462,593,272.05 = 294,790,625.10 : x - Step 2: Convert to fraction form
308,395,514.70/462,593,272.05 = 294,790,625.10/x - Step 3: Cross multiply
308,395,514.70x = 462,593,272.05 × 294,790,625.10 - Step 4: Simplify right side
308,395,514.70x = 136,368,159,834,673,872 - Step 5: Solve for x
x = 136,368,159,834,673,872/308,395,514.70 - Step 6: Final answer
x = 442,185,937.65
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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.