Finding the Fourth Proportional to 1,457,362,369.99, 2,186,043,471.94 and 408,255,898.90
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Solution
The fourth proportional to 1,457,362,369.99, 2,186,043,471.94 and 408,255,898.90 is: 612,383,825.09
Step by Step Solution
- Step 1: Write the proportion equation
1,457,362,369.99 : 2,186,043,471.94 = 408,255,898.90 : x - Step 2: Convert to fraction form
1,457,362,369.99/2,186,043,471.94 = 408,255,898.90/x - Step 3: Cross multiply
1,457,362,369.99x = 2,186,043,471.94 × 408,255,898.90 - Step 4: Simplify right side
1,457,362,369.99x = 892,465,142,671,341,568 - Step 5: Solve for x
x = 892,465,142,671,341,568/1,457,362,369.99 - Step 6: Final answer
x = 612,383,825.09
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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.