Finding the Fourth Proportional to 4,469,165,879.52, 6,167,640,066.48 and 2,489,016,396
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Solution
The fourth proportional to 4,469,165,879.52, 6,167,640,066.48 and 2,489,016,396 is: 3,434,949,085.34
Step by Step Solution
- Step 1: Write the proportion equation
4,469,165,879.52 : 6,167,640,066.48 = 2,489,016,396 : x - Step 2: Convert to fraction form
4,469,165,879.52/6,167,640,066.48 = 2,489,016,396/x - Step 3: Cross multiply
4,469,165,879.52x = 6,167,640,066.48 × 2,489,016,396 - Step 4: Simplify right side
4,469,165,879.52x = 15,351,357,250,095,249,408 - Step 5: Solve for x
x = 15,351,357,250,095,249,408/4,469,165,879.52 - Step 6: Final answer
x = 3,434,949,085.34
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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.