Finding the Fourth Proportional to 638,188,355.44, 957,381,509.46 and 269,724,859
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Solution
The fourth proportional to 638,188,355.44, 957,381,509.46 and 269,724,859 is: 404,629,119.99
Step by Step Solution
- Step 1: Write the proportion equation
638,188,355.44 : 957,381,509.46 = 269,724,859 : x - Step 2: Convert to fraction form
638,188,355.44/957,381,509.46 = 269,724,859/x - Step 3: Cross multiply
638,188,355.44x = 957,381,509.46 × 269,724,859 - Step 4: Simplify right side
638,188,355.44x = 258,229,592,648,305,664 - Step 5: Solve for x
x = 258,229,592,648,305,664/638,188,355.44 - Step 6: Final answer
x = 404,629,119.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.