Finding the Fourth Proportional to 499,469,555,812.24, 689,249,530,329.58 and 271,093,894,508.08
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Solution
The fourth proportional to 499,469,555,812.24, 689,249,530,329.58 and 271,093,894,508.08 is: 374,099,556,800.92
Step by Step Solution
- Step 1: Write the proportion equation
499,469,555,812.24 : 689,249,530,329.58 = 271,093,894,508.08 : x - Step 2: Convert to fraction form
499,469,555,812.24/689,249,530,329.58 = 271,093,894,508.08/x - Step 3: Cross multiply
499,469,555,812.24x = 689,249,530,329.58 × 271,093,894,508.08 - Step 4: Simplify right side
499,469,555,812.24x = 186,851,339,464,910,840,004,608 - Step 5: Solve for x
x = 186,851,339,464,910,840,004,608/499,469,555,812.24 - Step 6: Final answer
x = 374,099,556,800.92
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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.