Finding the Fourth Proportional to 801,204,408.40, 1,201,806,612.60 and 248,505,768.40
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Solution
The fourth proportional to 801,204,408.40, 1,201,806,612.60 and 248,505,768.40 is: 372,758,652.60
Step by Step Solution
- Step 1: Write the proportion equation
801,204,408.40 : 1,201,806,612.60 = 248,505,768.40 : x - Step 2: Convert to fraction form
801,204,408.40/1,201,806,612.60 = 248,505,768.40/x - Step 3: Cross multiply
801,204,408.40x = 1,201,806,612.60 × 248,505,768.40 - Step 4: Simplify right side
801,204,408.40x = 298,655,875,732,364,096 - Step 5: Solve for x
x = 298,655,875,732,364,096/801,204,408.40 - Step 6: Final answer
x = 372,758,652.60
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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.