Finding the Fourth Proportional to 383,624,403.09, 529,400,680.53 and 214,076,863.13
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Solution
The fourth proportional to 383,624,403.09, 529,400,680.53 and 214,076,863.13 is: 295,425,515.47
Step by Step Solution
- Step 1: Write the proportion equation
383,624,403.09 : 529,400,680.53 = 214,076,863.13 : x - Step 2: Convert to fraction form
383,624,403.09/529,400,680.53 = 214,076,863.13/x - Step 3: Cross multiply
383,624,403.09x = 529,400,680.53 × 214,076,863.13 - Step 4: Simplify right side
383,624,403.09x = 113,332,437,028,288,464 - Step 5: Solve for x
x = 113,332,437,028,288,464/383,624,403.09 - Step 6: Final answer
x = 295,425,515.47
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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.