Finding the Fourth Proportional to 445,944,460.24, 615,264,516.54 and 257,704,176.11
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Solution
The fourth proportional to 445,944,460.24, 615,264,516.54 and 257,704,176.11 is: 355,551,530.44
Step by Step Solution
- Step 1: Write the proportion equation
445,944,460.24 : 615,264,516.54 = 257,704,176.11 : x - Step 2: Convert to fraction form
445,944,460.24/615,264,516.54 = 257,704,176.11/x - Step 3: Cross multiply
445,944,460.24x = 615,264,516.54 × 257,704,176.11 - Step 4: Simplify right side
445,944,460.24x = 158,556,235,327,135,456 - Step 5: Solve for x
x = 158,556,235,327,135,456/445,944,460.24 - Step 6: Final answer
x = 355,551,530.44
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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.