Finding the Fourth Proportional to 369,887,631.67, 554,059,363.15 and 221,865,757.68
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Solution
The fourth proportional to 369,887,631.67, 554,059,363.15 and 221,865,757.68 is: 332,335,525.38
Step by Step Solution
- Step 1: Write the proportion equation
369,887,631.67 : 554,059,363.15 = 221,865,757.68 : x - Step 2: Convert to fraction form
369,887,631.67/554,059,363.15 = 221,865,757.68/x - Step 3: Cross multiply
369,887,631.67x = 554,059,363.15 × 221,865,757.68 - Step 4: Simplify right side
369,887,631.67x = 122,926,800,404,214,272 - Step 5: Solve for x
x = 122,926,800,404,214,272/369,887,631.67 - Step 6: Final answer
x = 332,335,525.38
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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.