Finding the Fourth Proportional to 557,656,801.20, 836,485,201.80 and 497,391,391.80
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Solution
The fourth proportional to 557,656,801.20, 836,485,201.80 and 497,391,391.80 is: 746,087,087.70
Step by Step Solution
- Step 1: Write the proportion equation
557,656,801.20 : 836,485,201.80 = 497,391,391.80 : x - Step 2: Convert to fraction form
557,656,801.20/836,485,201.80 = 497,391,391.80/x - Step 3: Cross multiply
557,656,801.20x = 836,485,201.80 × 497,391,391.80 - Step 4: Simplify right side
557,656,801.20x = 416,060,538,743,405,824 - Step 5: Solve for x
x = 416,060,538,743,405,824/557,656,801.20 - Step 6: Final answer
x = 746,087,087.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.