Finding the Fourth Proportional to 368,661,325.87, 508,760,129.42 and 201,408,420.06
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Solution
The fourth proportional to 368,661,325.87, 508,760,129.42 and 201,408,420.06 is: 277,947,716.96
Step by Step Solution
- Step 1: Write the proportion equation
368,661,325.87 : 508,760,129.42 = 201,408,420.06 : x - Step 2: Convert to fraction form
368,661,325.87/508,760,129.42 = 201,408,420.06/x - Step 3: Cross multiply
368,661,325.87x = 508,760,129.42 × 201,408,420.06 - Step 4: Simplify right side
368,661,325.87x = 102,468,573,856,003,328 - Step 5: Solve for x
x = 102,468,573,856,003,328/368,661,325.87 - Step 6: Final answer
x = 277,947,716.96
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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.