Finding the Fourth Proportional to 822,933,684.77, 1,135,651,458.17 and 446,590,190.80
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Solution
The fourth proportional to 822,933,684.77, 1,135,651,458.17 and 446,590,190.80 is: 616,296,076.79
Step by Step Solution
- Step 1: Write the proportion equation
822,933,684.77 : 1,135,651,458.17 = 446,590,190.80 : x - Step 2: Convert to fraction form
822,933,684.77/1,135,651,458.17 = 446,590,190.80/x - Step 3: Cross multiply
822,933,684.77x = 1,135,651,458.17 × 446,590,190.80 - Step 4: Simplify right side
822,933,684.77x = 507,170,801,382,580,800 - Step 5: Solve for x
x = 507,170,801,382,580,800/822,933,684.77 - Step 6: Final answer
x = 616,296,076.79
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1.5x scale
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.