Finding the Fourth Proportional to 8,178,622,525.03, 12,242,772,124.62 and 5,336,296,556.96
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Solution
The fourth proportional to 8,178,622,525.03, 12,242,772,124.62 and 5,336,296,556.96 is: 7,988,027,633.78
Step by Step Solution
- Step 1: Write the proportion equation
8,178,622,525.03 : 12,242,772,124.62 = 5,336,296,556.96 : x - Step 2: Convert to fraction form
8,178,622,525.03/12,242,772,124.62 = 5,336,296,556.96/x - Step 3: Cross multiply
8,178,622,525.03x = 12,242,772,124.62 × 5,336,296,556.96 - Step 4: Simplify right side
8,178,622,525.03x = 65,331,062,736,230,735,872 - Step 5: Solve for x
x = 65,331,062,736,230,735,872/8,178,622,525.03 - Step 6: Final answer
x = 7,988,027,633.78
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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.