Finding the Fourth Proportional to 351,660,436.36, 485,320,454.22 and 195,078,027.40
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Solution
The fourth proportional to 351,660,436.36, 485,320,454.22 and 195,078,027.40 is: 269,223,793.97
Step by Step Solution
- Step 1: Write the proportion equation
351,660,436.36 : 485,320,454.22 = 195,078,027.40 : x - Step 2: Convert to fraction form
351,660,436.36/485,320,454.22 = 195,078,027.40/x - Step 3: Cross multiply
351,660,436.36x = 485,320,454.22 × 195,078,027.40 - Step 4: Simplify right side
351,660,436.36x = 94,675,356,866,109,616 - Step 5: Solve for x
x = 94,675,356,866,109,616/351,660,436.36 - Step 6: Final answer
x = 269,223,793.97
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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.