Finding the Fourth Proportional to 472,096,190.52, 651,231,203.40 and 331,177,219.08
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Solution
The fourth proportional to 472,096,190.52, 651,231,203.40 and 331,177,219.08 is: 456,841,091.39
Step by Step Solution
- Step 1: Write the proportion equation
472,096,190.52 : 651,231,203.40 = 331,177,219.08 : x - Step 2: Convert to fraction form
472,096,190.52/651,231,203.40 = 331,177,219.08/x - Step 3: Cross multiply
472,096,190.52x = 651,231,203.40 × 331,177,219.08 - Step 4: Simplify right side
472,096,190.52x = 215,672,938,920,133,824 - Step 5: Solve for x
x = 215,672,938,920,133,824/472,096,190.52 - Step 6: Final answer
x = 456,841,091.39
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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.