Finding the Fourth Proportional to 303,315,292.99, 454,985,887.74 and 119,122,687.81
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Solution
The fourth proportional to 303,315,292.99, 454,985,887.74 and 119,122,687.81 is: 178,689,116.95
Step by Step Solution
- Step 1: Write the proportion equation
303,315,292.99 : 454,985,887.74 = 119,122,687.81 : x - Step 2: Convert to fraction form
303,315,292.99/454,985,887.74 = 119,122,687.81/x - Step 3: Cross multiply
303,315,292.99x = 454,985,887.74 × 119,122,687.81 - Step 4: Simplify right side
303,315,292.99x = 54,199,141,863,207,728 - Step 5: Solve for x
x = 54,199,141,863,207,728/303,315,292.99 - Step 6: Final answer
x = 178,689,116.95
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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.