Finding the Fourth Proportional to 324,772,706.40, 486,202,465.80 and 305,853,406.80
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Solution
The fourth proportional to 324,772,706.40, 486,202,465.80 and 305,853,406.80 is: 457,879,241.79
Step by Step Solution
- Step 1: Write the proportion equation
324,772,706.40 : 486,202,465.80 = 305,853,406.80 : x - Step 2: Convert to fraction form
324,772,706.40/486,202,465.80 = 305,853,406.80/x - Step 3: Cross multiply
324,772,706.40x = 486,202,465.80 × 305,853,406.80 - Step 4: Simplify right side
324,772,706.40x = 148,706,680,559,490,496 - Step 5: Solve for x
x = 148,706,680,559,490,496/324,772,706.40 - Step 6: Final answer
x = 457,879,241.79
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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.