Finding the Fourth Proportional to 196,265,471.20, 294,398,206.80 and 192,486,335.20
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Solution
The fourth proportional to 196,265,471.20, 294,398,206.80 and 192,486,335.20 is: 288,729,502.80
Step by Step Solution
- Step 1: Write the proportion equation
196,265,471.20 : 294,398,206.80 = 192,486,335.20 : x - Step 2: Convert to fraction form
196,265,471.20/294,398,206.80 = 192,486,335.20/x - Step 3: Cross multiply
196,265,471.20x = 294,398,206.80 × 192,486,335.20 - Step 4: Simplify right side
196,265,471.20x = 56,667,631,916,383,720 - Step 5: Solve for x
x = 56,667,631,916,383,720/196,265,471.20 - Step 6: Final answer
x = 288,729,502.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.