Finding the Fourth Proportional to 557,563,251.21, 770,224,102.79 and 446,789,951.61
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Solution
The fourth proportional to 557,563,251.21, 770,224,102.79 and 446,789,951.61 is: 617,200,629.46
Step by Step Solution
- Step 1: Write the proportion equation
557,563,251.21 : 770,224,102.79 = 446,789,951.61 : x - Step 2: Convert to fraction form
557,563,251.21/770,224,102.79 = 446,789,951.61/x - Step 3: Cross multiply
557,563,251.21x = 770,224,102.79 × 446,789,951.61 - Step 4: Simplify right side
557,563,251.21x = 344,128,389,612,165,824 - Step 5: Solve for x
x = 344,128,389,612,165,824/557,563,251.21 - Step 6: Final answer
x = 617,200,629.46
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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.