Finding the Fourth Proportional to 70,975,789,844,920, 97,946,515,701,096 and 39,760,581,587,446
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Solution
The fourth proportional to 70,975,789,844,920, 97,946,515,701,096 and 39,760,581,587,446 is: 54,869,560,976,336.58
Step by Step Solution
- Step 1: Write the proportion equation
70,975,789,844,920 : 97,946,515,701,096 = 39,760,581,587,446 : x - Step 2: Convert to fraction form
70,975,789,844,920/97,946,515,701,096 = 39,760,581,587,446/x - Step 3: Cross multiply
70,975,789,844,920x = 97,946,515,701,096 × 39,760,581,587,446 - Step 4: Simplify right side
70,975,789,844,920x = 3,894,410,428,739,488,290,428,682,240 - Step 5: Solve for x
x = 3,894,410,428,739,488,290,428,682,240/70,975,789,844,920 - Step 6: Final answer
x = 54,869,560,976,336.58
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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.