Finding the Fourth Proportional to 3,509,490,674.26, 4,843,616,931.91 and 2,222,122,198.71
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Solution
The fourth proportional to 3,509,490,674.26, 4,843,616,931.91 and 2,222,122,198.71 is: 3,066,857,759.56
Step by Step Solution
- Step 1: Write the proportion equation
3,509,490,674.26 : 4,843,616,931.91 = 2,222,122,198.71 : x - Step 2: Convert to fraction form
3,509,490,674.26/4,843,616,931.91 = 2,222,122,198.71/x - Step 3: Cross multiply
3,509,490,674.26x = 4,843,616,931.91 × 2,222,122,198.71 - Step 4: Simplify right side
3,509,490,674.26x = 10,763,108,706,444,832,768 - Step 5: Solve for x
x = 10,763,108,706,444,832,768/3,509,490,674.26 - Step 6: Final answer
x = 3,066,857,759.56
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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.