Finding the Fourth Proportional to 5,340,938,103.12, 7,369,520,027.40 and 3,082,053,556.38
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Solution
The fourth proportional to 5,340,938,103.12, 7,369,520,027.40 and 3,082,053,556.38 is: 4,252,671,528.99
Step by Step Solution
- Step 1: Write the proportion equation
5,340,938,103.12 : 7,369,520,027.40 = 3,082,053,556.38 : x - Step 2: Convert to fraction form
5,340,938,103.12/7,369,520,027.40 = 3,082,053,556.38/x - Step 3: Cross multiply
5,340,938,103.12x = 7,369,520,027.40 × 3,082,053,556.38 - Step 4: Simplify right side
5,340,938,103.12x = 22,713,255,409,261,805,568 - Step 5: Solve for x
x = 22,713,255,409,261,805,568/5,340,938,103.12 - Step 6: Final answer
x = 4,252,671,528.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.