Finding the Fourth Proportional to 273,265,602.40, 409,898,403.60 and 246,906,128.80
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Solution
The fourth proportional to 273,265,602.40, 409,898,403.60 and 246,906,128.80 is: 370,359,193.20
Step by Step Solution
- Step 1: Write the proportion equation
273,265,602.40 : 409,898,403.60 = 246,906,128.80 : x - Step 2: Convert to fraction form
273,265,602.40/409,898,403.60 = 246,906,128.80/x - Step 3: Cross multiply
273,265,602.40x = 409,898,403.60 × 246,906,128.80 - Step 4: Simplify right side
273,265,602.40x = 101,206,428,034,176,000 - Step 5: Solve for x
x = 101,206,428,034,176,000/273,265,602.40 - Step 6: Final answer
x = 370,359,193.20
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1.5x scale
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.