Finding the Fourth Proportional to 746,438,734.20, 1,119,582,504.18 and 201,235,380.60
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Solution
The fourth proportional to 746,438,734.20, 1,119,582,504.18 and 201,235,380.60 is: 301,832,690.37
Step by Step Solution
- Step 1: Write the proportion equation
746,438,734.20 : 1,119,582,504.18 = 201,235,380.60 : x - Step 2: Convert to fraction form
746,438,734.20/1,119,582,504.18 = 201,235,380.60/x - Step 3: Cross multiply
746,438,734.20x = 1,119,582,504.18 × 201,235,380.60 - Step 4: Simplify right side
746,438,734.20x = 225,299,611,341,763,392 - Step 5: Solve for x
x = 225,299,611,341,763,392/746,438,734.20 - Step 6: Final answer
x = 301,832,690.37
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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.