Finding the Fourth Proportional to 6,556,853,502.56, 9,835,969,217.28 and 2,135,617,209.68
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Solution
The fourth proportional to 6,556,853,502.56, 9,835,969,217.28 and 2,135,617,209.68 is: 3,203,650,215.17
Step by Step Solution
- Step 1: Write the proportion equation
6,556,853,502.56 : 9,835,969,217.28 = 2,135,617,209.68 : x - Step 2: Convert to fraction form
6,556,853,502.56/9,835,969,217.28 = 2,135,617,209.68/x - Step 3: Cross multiply
6,556,853,502.56x = 9,835,969,217.28 × 2,135,617,209.68 - Step 4: Simplify right side
6,556,853,502.56x = 21,005,865,134,305,890,304 - Step 5: Solve for x
x = 21,005,865,134,305,890,304/6,556,853,502.56 - Step 6: Final answer
x = 3,203,650,215.17
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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.