Finding the Fourth Proportional to 368,661,322.25, 508,760,124.46 and 201,408,416.42
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Solution
The fourth proportional to 368,661,322.25, 508,760,124.46 and 201,408,416.42 is: 277,947,711.96
Step by Step Solution
- Step 1: Write the proportion equation
368,661,322.25 : 508,760,124.46 = 201,408,416.42 : x - Step 2: Convert to fraction form
368,661,322.25/508,760,124.46 = 201,408,416.42/x - Step 3: Cross multiply
368,661,322.25x = 508,760,124.46 × 201,408,416.42 - Step 4: Simplify right side
368,661,322.25x = 102,468,571,005,899,088 - Step 5: Solve for x
x = 102,468,571,005,899,088/368,661,322.25 - Step 6: Final answer
x = 277,947,711.96
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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.