Finding the Fourth Proportional to 351,439,896.26, 484,976,556.58 and 192,664,590.20
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Solution
The fourth proportional to 351,439,896.26, 484,976,556.58 and 192,664,590.20 is: 265,871,378.08
Step by Step Solution
- Step 1: Write the proportion equation
351,439,896.26 : 484,976,556.58 = 192,664,590.20 : x - Step 2: Convert to fraction form
351,439,896.26/484,976,556.58 = 192,664,590.20/x - Step 3: Cross multiply
351,439,896.26x = 484,976,556.58 × 192,664,590.20 - Step 4: Simplify right side
351,439,896.26x = 93,437,809,530,092,800 - Step 5: Solve for x
x = 93,437,809,530,092,800/351,439,896.26 - Step 6: Final answer
x = 265,871,378.08
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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.