Finding the Fourth Proportional to 13,560,772,862.39, 18,714,913,385.27 and 8,135,511,660.09
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Solution
The fourth proportional to 13,560,772,862.39, 18,714,913,385.27 and 8,135,511,660.09 is: 11,227,634,118.53
Step by Step Solution
- Step 1: Write the proportion equation
13,560,772,862.39 : 18,714,913,385.27 = 8,135,511,660.09 : x - Step 2: Convert to fraction form
13,560,772,862.39/18,714,913,385.27 = 8,135,511,660.09/x - Step 3: Cross multiply
13,560,772,862.39x = 18,714,913,385.27 × 8,135,511,660.09 - Step 4: Simplify right side
13,560,772,862.39x = 152,255,396,063,397,806,080 - Step 5: Solve for x
x = 152,255,396,063,397,806,080/13,560,772,862.39 - Step 6: Final answer
x = 11,227,634,118.53
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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.