Finding the Fourth Proportional to 1,457,362,376.99, 2,186,043,482.46 and 408,255,905.92
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Solution
The fourth proportional to 1,457,362,376.99, 2,186,043,482.46 and 408,255,905.92 is: 612,383,835.62
Step by Step Solution
- Step 1: Write the proportion equation
1,457,362,376.99 : 2,186,043,482.46 = 408,255,905.92 : x - Step 2: Convert to fraction form
1,457,362,376.99/2,186,043,482.46 = 408,255,905.92/x - Step 3: Cross multiply
1,457,362,376.99x = 2,186,043,482.46 × 408,255,905.92 - Step 4: Simplify right side
1,457,362,376.99x = 892,465,162,312,219,008 - Step 5: Solve for x
x = 892,465,162,312,219,008/1,457,362,376.99 - Step 6: Final answer
x = 612,383,835.62
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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.