Finding the Fourth Proportional to 411,059,218.13, 567,261,113.98 and 222,887,170.09
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Solution
The fourth proportional to 411,059,218.13, 567,261,113.98 and 222,887,170.09 is: 307,583,965.57
Step by Step Solution
- Step 1: Write the proportion equation
411,059,218.13 : 567,261,113.98 = 222,887,170.09 : x - Step 2: Convert to fraction form
411,059,218.13/567,261,113.98 = 222,887,170.09/x - Step 3: Cross multiply
411,059,218.13x = 567,261,113.98 × 222,887,170.09 - Step 4: Simplify right side
411,059,218.13x = 126,435,224,394,266,848 - Step 5: Solve for x
x = 126,435,224,394,266,848/411,059,218.13 - Step 6: Final answer
x = 307,583,965.57
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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.