Finding the Fourth Proportional to 16,442,986,439.97, 22,691,338,080.80 and 8,924,609,125.35
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Solution
The fourth proportional to 16,442,986,439.97, 22,691,338,080.80 and 8,924,609,125.35 is: 12,315,969,707.91
Step by Step Solution
- Step 1: Write the proportion equation
16,442,986,439.97 : 22,691,338,080.80 = 8,924,609,125.35 : x - Step 2: Convert to fraction form
16,442,986,439.97/22,691,338,080.80 = 8,924,609,125.35/x - Step 3: Cross multiply
16,442,986,439.97x = 22,691,338,080.80 × 8,924,609,125.35 - Step 4: Simplify right side
16,442,986,439.97x = 202,511,322,902,273,949,696 - Step 5: Solve for x
x = 202,511,322,902,273,949,696/16,442,986,439.97 - Step 6: Final answer
x = 12,315,969,707.91
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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.