Finding the Fourth Proportional to 7,465,248,311.20, 11,197,872,466.80 and 2,556,290,615.20
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Solution
The fourth proportional to 7,465,248,311.20, 11,197,872,466.80 and 2,556,290,615.20 is: 3,834,435,922.80
Step by Step Solution
- Step 1: Write the proportion equation
7,465,248,311.20 : 11,197,872,466.80 = 2,556,290,615.20 : x - Step 2: Convert to fraction form
7,465,248,311.20/11,197,872,466.80 = 2,556,290,615.20/x - Step 3: Cross multiply
7,465,248,311.20x = 11,197,872,466.80 × 2,556,290,615.20 - Step 4: Simplify right side
7,465,248,311.20x = 28,625,016,297,087,307,776 - Step 5: Solve for x
x = 28,625,016,297,087,307,776/7,465,248,311.20 - Step 6: Final answer
x = 3,834,435,922.80
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Double scale
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Similar ratio
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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.