Finding the Fourth Proportional to 368,259,714.72, 508,195,902.96 and 203,247,283.68
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Solution
The fourth proportional to 368,259,714.72, 508,195,902.96 and 203,247,283.68 is: 280,479,869.85
Step by Step Solution
- Step 1: Write the proportion equation
368,259,714.72 : 508,195,902.96 = 203,247,283.68 : x - Step 2: Convert to fraction form
368,259,714.72/508,195,902.96 = 203,247,283.68/x - Step 3: Cross multiply
368,259,714.72x = 508,195,902.96 × 203,247,283.68 - Step 4: Simplify right side
368,259,714.72x = 103,289,436,853,924,864 - Step 5: Solve for x
x = 103,289,436,853,924,864/368,259,714.72 - Step 6: Final answer
x = 280,479,869.85
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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.