Finding the Fourth Proportional to 324,772,707.40, 486,202,467.30 and 305,853,407.80
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Solution
The fourth proportional to 324,772,707.40, 486,202,467.30 and 305,853,407.80 is: 457,879,243.29
Step by Step Solution
- Step 1: Write the proportion equation
324,772,707.40 : 486,202,467.30 = 305,853,407.80 : x - Step 2: Convert to fraction form
324,772,707.40/486,202,467.30 = 305,853,407.80/x - Step 3: Cross multiply
324,772,707.40x = 486,202,467.30 × 305,853,407.80 - Step 4: Simplify right side
324,772,707.40x = 148,706,681,504,473,088 - Step 5: Solve for x
x = 148,706,681,504,473,088/324,772,707.40 - Step 6: Final answer
x = 457,879,243.29
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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.