Finding the Fourth Proportional to 533,560,884.21, 800,614,926.68 and 257,447,576.07
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Solution
The fourth proportional to 533,560,884.21, 800,614,926.68 and 257,447,576.07 is: 386,303,378.56
Step by Step Solution
- Step 1: Write the proportion equation
533,560,884.21 : 800,614,926.68 = 257,447,576.07 : x - Step 2: Convert to fraction form
533,560,884.21/800,614,926.68 = 257,447,576.07/x - Step 3: Cross multiply
533,560,884.21x = 800,614,926.68 × 257,447,576.07 - Step 4: Simplify right side
533,560,884.21x = 206,116,372,237,939,520 - Step 5: Solve for x
x = 206,116,372,237,939,520/533,560,884.21 - Step 6: Final answer
x = 386,303,378.56
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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.