Finding the Fourth Proportional to 294,394,403.80, 441,591,605.70 and 292,378,864.60
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Solution
The fourth proportional to 294,394,403.80, 441,591,605.70 and 292,378,864.60 is: 438,568,296.90
Step by Step Solution
- Step 1: Write the proportion equation
294,394,403.80 : 441,591,605.70 = 292,378,864.60 : x - Step 2: Convert to fraction form
294,394,403.80/441,591,605.70 = 292,378,864.60/x - Step 3: Cross multiply
294,394,403.80x = 441,591,605.70 × 292,378,864.60 - Step 4: Simplify right side
294,394,403.80x = 129,112,052,291,456,896 - Step 5: Solve for x
x = 129,112,052,291,456,896/294,394,403.80 - Step 6: Final answer
x = 438,568,296.90
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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.