Finding the Fourth Proportional to 994,719,428.20, 1,492,079,142.30 and 934,203,485.80
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Solution
The fourth proportional to 994,719,428.20, 1,492,079,142.30 and 934,203,485.80 is: 1,401,305,228.70
Step by Step Solution
- Step 1: Write the proportion equation
994,719,428.20 : 1,492,079,142.30 = 934,203,485.80 : x - Step 2: Convert to fraction form
994,719,428.20/1,492,079,142.30 = 934,203,485.80/x - Step 3: Cross multiply
994,719,428.20x = 1,492,079,142.30 × 934,203,485.80 - Step 4: Simplify right side
994,719,428.20x = 1,393,905,535,826,134,016 - Step 5: Solve for x
x = 1,393,905,535,826,134,016/994,719,428.20 - Step 6: Final answer
x = 1,401,305,228.70
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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.