Finding the Fourth Proportional to 7,992,246,168,549.70, 11,967,722,542,132 and 5,515,972,838,988.10
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Solution
The fourth proportional to 7,992,246,168,549.70, 11,967,722,542,132 and 5,515,972,838,988.10 is: 8,259,709,610,386.64
Step by Step Solution
- Step 1: Write the proportion equation
7,992,246,168,549.70 : 11,967,722,542,132 = 5,515,972,838,988.10 : x - Step 2: Convert to fraction form
7,992,246,168,549.70/11,967,722,542,132 = 5,515,972,838,988.10/x - Step 3: Cross multiply
7,992,246,168,549.70x = 11,967,722,542,132 × 5,515,972,838,988.10 - Step 4: Simplify right side
7,992,246,168,549.70x = 66,013,632,486,945,726,568,333,312 - Step 5: Solve for x
x = 66,013,632,486,945,726,568,333,312/7,992,246,168,549.70 - Step 6: Final answer
x = 8,259,709,610,386.64
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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.