Finding the Fourth Proportional to 273,006,207.60, 409,509,311.40 and 181,173,202.80
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Solution
The fourth proportional to 273,006,207.60, 409,509,311.40 and 181,173,202.80 is: 271,759,804.20
Step by Step Solution
- Step 1: Write the proportion equation
273,006,207.60 : 409,509,311.40 = 181,173,202.80 : x - Step 2: Convert to fraction form
273,006,207.60/409,509,311.40 = 181,173,202.80/x - Step 3: Cross multiply
273,006,207.60x = 409,509,311.40 × 181,173,202.80 - Step 4: Simplify right side
273,006,207.60x = 74,192,113,522,760,560 - Step 5: Solve for x
x = 74,192,113,522,760,560/273,006,207.60 - Step 6: Final answer
x = 271,759,804.20
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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.