Finding the Fourth Proportional to 1,888,073,269.86, 2,831,626,820.01 and 559,790,709.99
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Solution
The fourth proportional to 1,888,073,269.86, 2,831,626,820.01 and 559,790,709.99 is: 839,542,836.24
Step by Step Solution
- Step 1: Write the proportion equation
1,888,073,269.86 : 2,831,626,820.01 = 559,790,709.99 : x - Step 2: Convert to fraction form
1,888,073,269.86/2,831,626,820.01 = 559,790,709.99/x - Step 3: Cross multiply
1,888,073,269.86x = 2,831,626,820.01 × 559,790,709.99 - Step 4: Simplify right side
1,888,073,269.86x = 1,585,118,388,000,123,904 - Step 5: Solve for x
x = 1,585,118,388,000,123,904/1,888,073,269.86 - Step 6: Final answer
x = 839,542,836.24
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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.