Finding the Fourth Proportional to 383,624,404.75, 529,400,682.81 and 214,076,864.79
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Solution
The fourth proportional to 383,624,404.75, 529,400,682.81 and 214,076,864.79 is: 295,425,517.75
Step by Step Solution
- Step 1: Write the proportion equation
383,624,404.75 : 529,400,682.81 = 214,076,864.79 : x - Step 2: Convert to fraction form
383,624,404.75/529,400,682.81 = 214,076,864.79/x - Step 3: Cross multiply
383,624,404.75x = 529,400,682.81 × 214,076,864.79 - Step 4: Simplify right side
383,624,404.75x = 113,332,438,393,650,048 - Step 5: Solve for x
x = 113,332,438,393,650,048/383,624,404.75 - Step 6: Final answer
x = 295,425,517.75
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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.