Finding the Fourth Proportional to 1,777,042,898.93, 2,452,396,287.36 and 984,088,878.05
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Solution
The fourth proportional to 1,777,042,898.93, 2,452,396,287.36 and 984,088,878.05 is: 1,358,085,340.77
Step by Step Solution
- Step 1: Write the proportion equation
1,777,042,898.93 : 2,452,396,287.36 = 984,088,878.05 : x - Step 2: Convert to fraction form
1,777,042,898.93/2,452,396,287.36 = 984,088,878.05/x - Step 3: Cross multiply
1,777,042,898.93x = 2,452,396,287.36 × 984,088,878.05 - Step 4: Simplify right side
1,777,042,898.93x = 2,413,375,910,962,958,848 - Step 5: Solve for x
x = 2,413,375,910,962,958,848/1,777,042,898.93 - Step 6: Final answer
x = 1,358,085,340.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.