Finding the Fourth Proportional to 1,567,811,541,564.20, 2,163,292,713,517.50 and 873,334,816,786.50
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Solution
The fourth proportional to 1,567,811,541,564.20, 2,163,292,713,517.50 and 873,334,816,786.50 is: 1,205,042,057,370.27
Step by Step Solution
- Step 1: Write the proportion equation
1,567,811,541,564.20 : 2,163,292,713,517.50 = 873,334,816,786.50 : x - Step 2: Convert to fraction form
1,567,811,541,564.20/2,163,292,713,517.50 = 873,334,816,786.50/x - Step 3: Cross multiply
1,567,811,541,564.20x = 2,163,292,713,517.50 × 873,334,816,786.50 - Step 4: Simplify right side
1,567,811,541,564.20x = 1,889,278,845,615,376,397,500,416 - Step 5: Solve for x
x = 1,889,278,845,615,376,397,500,416/1,567,811,541,564.20 - Step 6: Final answer
x = 1,205,042,057,370.27
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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.