Finding the Fourth Proportional to 577,428,309.22, 865,796,570.61 and 183,785,102.68
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Solution
The fourth proportional to 577,428,309.22, 865,796,570.61 and 183,785,102.68 is: 275,567,562.39
Step by Step Solution
- Step 1: Write the proportion equation
577,428,309.22 : 865,796,570.61 = 183,785,102.68 : x - Step 2: Convert to fraction form
577,428,309.22/865,796,570.61 = 183,785,102.68/x - Step 3: Cross multiply
577,428,309.22x = 865,796,570.61 × 183,785,102.68 - Step 4: Simplify right side
577,428,309.22x = 159,120,511,629,550,720 - Step 5: Solve for x
x = 159,120,511,629,550,720/577,428,309.22 - Step 6: Final answer
x = 275,567,562.39
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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.