Finding the Fourth Proportional to 486,556,714.56, 671,442,920.64 and 263,532,847.68
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Solution
The fourth proportional to 486,556,714.56, 671,442,920.64 and 263,532,847.68 is: 363,672,434.55
Step by Step Solution
- Step 1: Write the proportion equation
486,556,714.56 : 671,442,920.64 = 263,532,847.68 : x - Step 2: Convert to fraction form
486,556,714.56/671,442,920.64 = 263,532,847.68/x - Step 3: Cross multiply
486,556,714.56x = 671,442,920.64 × 263,532,847.68 - Step 4: Simplify right side
486,556,714.56x = 176,947,264,930,835,456 - Step 5: Solve for x
x = 176,947,264,930,835,456/486,556,714.56 - Step 6: Final answer
x = 363,672,434.55
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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.