Finding the Fourth Proportional to 7,992,246,168,548.70, 11,967,722,542,131 and 5,515,972,838,987.10
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Solution
The fourth proportional to 7,992,246,168,548.70, 11,967,722,542,131 and 5,515,972,838,987.10 is: 8,259,709,610,385.48
Step by Step Solution
- Step 1: Write the proportion equation
7,992,246,168,548.70 : 11,967,722,542,131 = 5,515,972,838,987.10 : x - Step 2: Convert to fraction form
7,992,246,168,548.70/11,967,722,542,131 = 5,515,972,838,987.10/x - Step 3: Cross multiply
7,992,246,168,548.70x = 11,967,722,542,131 × 5,515,972,838,987.10 - Step 4: Simplify right side
7,992,246,168,548.70x = 66,013,632,486,928,237,461,504,000 - Step 5: Solve for x
x = 66,013,632,486,928,237,461,504,000/7,992,246,168,548.70 - Step 6: Final answer
x = 8,259,709,610,385.48
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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.