Finding the Fourth Proportional to 43,307,493,286,978, 64,987,959,730,500 and 20,068,964,343,986
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Solution
The fourth proportional to 43,307,493,286,978, 64,987,959,730,500 and 20,068,964,343,986 is: 30,115,828,639,104.61
Step by Step Solution
- Step 1: Write the proportion equation
43,307,493,286,978 : 64,987,959,730,500 = 20,068,964,343,986 : x - Step 2: Convert to fraction form
43,307,493,286,978/64,987,959,730,500 = 20,068,964,343,986/x - Step 3: Cross multiply
43,307,493,286,978x = 64,987,959,730,500 × 20,068,964,343,986 - Step 4: Simplify right side
43,307,493,286,978x = 1,304,241,046,619,802,423,697,342,464 - Step 5: Solve for x
x = 1,304,241,046,619,802,423,697,342,464/43,307,493,286,978 - Step 6: Final answer
x = 30,115,828,639,104.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.