Finding the Fourth Proportional to 326,919,477.96, 451,579,525.81 and 242,318,102.72
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Solution
The fourth proportional to 326,919,477.96, 451,579,525.81 and 242,318,102.72 is: 334,718,183.82
Step by Step Solution
- Step 1: Write the proportion equation
326,919,477.96 : 451,579,525.81 = 242,318,102.72 : x - Step 2: Convert to fraction form
326,919,477.96/451,579,525.81 = 242,318,102.72/x - Step 3: Cross multiply
326,919,477.96x = 451,579,525.81 × 242,318,102.72 - Step 4: Simplify right side
326,919,477.96x = 109,425,893,918,612,784 - Step 5: Solve for x
x = 109,425,893,918,612,784/326,919,477.96 - Step 6: Final answer
x = 334,718,183.82
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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.