Finding the Fourth Proportional to 7,245,748,872.42, 10,866,828,218.94 and 3,104,722,809.06
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Solution
The fourth proportional to 7,245,748,872.42, 10,866,828,218.94 and 3,104,722,809.06 is: 4,656,315,037.62
Step by Step Solution
- Step 1: Write the proportion equation
7,245,748,872.42 : 10,866,828,218.94 = 3,104,722,809.06 : x - Step 2: Convert to fraction form
7,245,748,872.42/10,866,828,218.94 = 3,104,722,809.06/x - Step 3: Cross multiply
7,245,748,872.42x = 10,866,828,218.94 × 3,104,722,809.06 - Step 4: Simplify right side
7,245,748,872.42x = 33,738,489,433,479,872,512 - Step 5: Solve for x
x = 33,738,489,433,479,872,512/7,245,748,872.42 - Step 6: Final answer
x = 4,656,315,037.62
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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.