Finding the Fourth Proportional to 1,548,691,335,717.80, 2,137,200,687,651.30 and 844,772,539,567.62
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Solution
The fourth proportional to 1,548,691,335,717.80, 2,137,200,687,651.30 and 844,772,539,567.62 is: 1,165,789,728,936.56
Step by Step Solution
- Step 1: Write the proportion equation
1,548,691,335,717.80 : 2,137,200,687,651.30 = 844,772,539,567.62 : x - Step 2: Convert to fraction form
1,548,691,335,717.80/2,137,200,687,651.30 = 844,772,539,567.62/x - Step 3: Cross multiply
1,548,691,335,717.80x = 2,137,200,687,651.30 × 844,772,539,567.62 - Step 4: Simplify right side
1,548,691,335,717.80x = 1,805,448,452,472,852,619,198,464 - Step 5: Solve for x
x = 1,805,448,452,472,852,619,198,464/1,548,691,335,717.80 - Step 6: Final answer
x = 1,165,789,728,936.56
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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.