Finding the Fourth Proportional to 753,839,873,986.05, 1,040,297,609,456.20 and 411,283,969,013.88
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Solution
The fourth proportional to 753,839,873,986.05, 1,040,297,609,456.20 and 411,283,969,013.88 is: 567,571,104,338.69
Step by Step Solution
- Step 1: Write the proportion equation
753,839,873,986.05 : 1,040,297,609,456.20 = 411,283,969,013.88 : x - Step 2: Convert to fraction form
753,839,873,986.05/1,040,297,609,456.20 = 411,283,969,013.88/x - Step 3: Cross multiply
753,839,873,986.05x = 1,040,297,609,456.20 × 411,283,969,013.88 - Step 4: Simplify right side
753,839,873,986.05x = 427,857,729,772,797,158,227,968 - Step 5: Solve for x
x = 427,857,729,772,797,158,227,968/753,839,873,986.05 - Step 6: Final answer
x = 567,571,104,338.69
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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.