Finding the Fourth Proportional to 326,412,980.03, 450,447,993.80 and 177,733,745.12
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Solution
The fourth proportional to 326,412,980.03, 450,447,993.80 and 177,733,745.12 is: 245,271,523.55
Step by Step Solution
- Step 1: Write the proportion equation
326,412,980.03 : 450,447,993.80 = 177,733,745.12 : x - Step 2: Convert to fraction form
326,412,980.03/450,447,993.80 = 177,733,745.12/x - Step 3: Cross multiply
326,412,980.03x = 450,447,993.80 × 177,733,745.12 - Step 4: Simplify right side
326,412,980.03x = 80,059,808,919,864,544 - Step 5: Solve for x
x = 80,059,808,919,864,544/326,412,980.03 - Step 6: Final answer
x = 245,271,523.55
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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.