Finding the Fourth Proportional to 408,260,045.70, 612,390,068.55 and 236,073,161.70
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Solution
The fourth proportional to 408,260,045.70, 612,390,068.55 and 236,073,161.70 is: 354,109,742.55
Step by Step Solution
- Step 1: Write the proportion equation
408,260,045.70 : 612,390,068.55 = 236,073,161.70 : x - Step 2: Convert to fraction form
408,260,045.70/612,390,068.55 = 236,073,161.70/x - Step 3: Cross multiply
408,260,045.70x = 612,390,068.55 × 236,073,161.70 - Step 4: Simplify right side
408,260,045.70x = 144,568,859,676,278,208 - Step 5: Solve for x
x = 144,568,859,676,278,208/408,260,045.70 - Step 6: Final answer
x = 354,109,742.55
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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.