Finding the Fourth Proportional to 7,419,627,276.80, 11,129,440,915.20 and 2,512,301,082.80
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Solution
The fourth proportional to 7,419,627,276.80, 11,129,440,915.20 and 2,512,301,082.80 is: 3,768,451,624.20
Step by Step Solution
- Step 1: Write the proportion equation
7,419,627,276.80 : 11,129,440,915.20 = 2,512,301,082.80 : x - Step 2: Convert to fraction form
7,419,627,276.80/11,129,440,915.20 = 2,512,301,082.80/x - Step 3: Cross multiply
7,419,627,276.80x = 11,129,440,915.20 × 2,512,301,082.80 - Step 4: Simplify right side
7,419,627,276.80x = 27,960,506,462,215,585,792 - Step 5: Solve for x
x = 27,960,506,462,215,585,792/7,419,627,276.80 - Step 6: Final answer
x = 3,768,451,624.20
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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.