Finding the Fourth Proportional to 512,037,778.05, 706,612,134.60 and 277,088,438.39
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Solution
The fourth proportional to 512,037,778.05, 706,612,134.60 and 277,088,438.39 is: 382,382,045.45
Step by Step Solution
- Step 1: Write the proportion equation
512,037,778.05 : 706,612,134.60 = 277,088,438.39 : x - Step 2: Convert to fraction form
512,037,778.05/706,612,134.60 = 277,088,438.39/x - Step 3: Cross multiply
512,037,778.05x = 706,612,134.60 × 277,088,438.39 - Step 4: Simplify right side
512,037,778.05x = 195,794,052,920,205,440 - Step 5: Solve for x
x = 195,794,052,920,205,440/512,037,778.05 - Step 6: Final answer
x = 382,382,045.45
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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.