Finding the Fourth Proportional to 538,445,112.08, 743,106,714.36 and 318,499,396.88
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Solution
The fourth proportional to 538,445,112.08, 743,106,714.36 and 318,499,396.88 is: 439,560,198.49
Step by Step Solution
- Step 1: Write the proportion equation
538,445,112.08 : 743,106,714.36 = 318,499,396.88 : x - Step 2: Convert to fraction form
538,445,112.08/743,106,714.36 = 318,499,396.88/x - Step 3: Cross multiply
538,445,112.08x = 743,106,714.36 × 318,499,396.88 - Step 4: Simplify right side
538,445,112.08x = 236,679,040,341,138,432 - Step 5: Solve for x
x = 236,679,040,341,138,432/538,445,112.08 - Step 6: Final answer
x = 439,560,198.49
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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.