Finding the Fourth Proportional to 331,330,512.10, 496,995,768.15 and 113,227,125.70
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Solution
The fourth proportional to 331,330,512.10, 496,995,768.15 and 113,227,125.70 is: 169,840,688.55
Step by Step Solution
- Step 1: Write the proportion equation
331,330,512.10 : 496,995,768.15 = 113,227,125.70 : x - Step 2: Convert to fraction form
331,330,512.10/496,995,768.15 = 113,227,125.70/x - Step 3: Cross multiply
331,330,512.10x = 496,995,768.15 × 113,227,125.70 - Step 4: Simplify right side
331,330,512.10x = 56,273,402,312,688,104 - Step 5: Solve for x
x = 56,273,402,312,688,104/331,330,512.10 - Step 6: Final answer
x = 169,840,688.55
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1.5x scale
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.