Finding the Fourth Proportional to 396,603,664.20, 594,905,496.30 and 274,159,657.80
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Solution
The fourth proportional to 396,603,664.20, 594,905,496.30 and 274,159,657.80 is: 411,239,486.70
Step by Step Solution
- Step 1: Write the proportion equation
396,603,664.20 : 594,905,496.30 = 274,159,657.80 : x - Step 2: Convert to fraction form
396,603,664.20/594,905,496.30 = 274,159,657.80/x - Step 3: Cross multiply
396,603,664.20x = 594,905,496.30 × 274,159,657.80 - Step 4: Simplify right side
396,603,664.20x = 163,099,087,288,947,168 - Step 5: Solve for x
x = 163,099,087,288,947,168/396,603,664.20 - Step 6: Final answer
x = 411,239,486.70
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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.