Finding the Fourth Proportional to 294,181,107.57, 405,998,603.73 and 219,712,382.19
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Solution
The fourth proportional to 294,181,107.57, 405,998,603.73 and 219,712,382.19 is: 303,224,503.87
Step by Step Solution
- Step 1: Write the proportion equation
294,181,107.57 : 405,998,603.73 = 219,712,382.19 : x - Step 2: Convert to fraction form
294,181,107.57/405,998,603.73 = 219,712,382.19/x - Step 3: Cross multiply
294,181,107.57x = 405,998,603.73 × 219,712,382.19 - Step 4: Simplify right side
294,181,107.57x = 89,202,920,391,332,128 - Step 5: Solve for x
x = 89,202,920,391,332,128/294,181,107.57 - Step 6: Final answer
x = 303,224,503.87
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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.