Finding the Fourth Proportional to 2,419,020,232.80, 3,629,202,195.60 and 1,039,495,624.80
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Solution
The fourth proportional to 2,419,020,232.80, 3,629,202,195.60 and 1,039,495,624.80 is: 1,559,532,141.44
Step by Step Solution
- Step 1: Write the proportion equation
2,419,020,232.80 : 3,629,202,195.60 = 1,039,495,624.80 : x - Step 2: Convert to fraction form
2,419,020,232.80/3,629,202,195.60 = 1,039,495,624.80/x - Step 3: Cross multiply
2,419,020,232.80x = 3,629,202,195.60 × 1,039,495,624.80 - Step 4: Simplify right side
2,419,020,232.80x = 3,772,539,803,840,753,664 - Step 5: Solve for x
x = 3,772,539,803,840,753,664/2,419,020,232.80 - Step 6: Final answer
x = 1,559,532,141.44
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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.