Finding the Fourth Proportional to 434,016,302.40, 651,096,187.20 and 201,079,807.20
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Solution
The fourth proportional to 434,016,302.40, 651,096,187.20 and 201,079,807.20 is: 301,652,944.99
Step by Step Solution
- Step 1: Write the proportion equation
434,016,302.40 : 651,096,187.20 = 201,079,807.20 : x - Step 2: Convert to fraction form
434,016,302.40/651,096,187.20 = 201,079,807.20/x - Step 3: Cross multiply
434,016,302.40x = 651,096,187.20 × 201,079,807.20 - Step 4: Simplify right side
434,016,302.40x = 130,922,295,790,831,104 - Step 5: Solve for x
x = 130,922,295,790,831,104/434,016,302.40 - Step 6: Final answer
x = 301,652,944.99
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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.