Finding the Fourth Proportional to 2,728,806,024.27, 3,765,763,659.18 and 1,475,742,879.70
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Solution
The fourth proportional to 2,728,806,024.27, 3,765,763,659.18 and 1,475,742,879.70 is: 2,036,531,309.75
Step by Step Solution
- Step 1: Write the proportion equation
2,728,806,024.27 : 3,765,763,659.18 = 1,475,742,879.70 : x - Step 2: Convert to fraction form
2,728,806,024.27/3,765,763,659.18 = 1,475,742,879.70/x - Step 3: Cross multiply
2,728,806,024.27x = 3,765,763,659.18 × 1,475,742,879.70 - Step 4: Simplify right side
2,728,806,024.27x = 5,557,298,906,667,902,976 - Step 5: Solve for x
x = 5,557,298,906,667,902,976/2,728,806,024.27 - Step 6: Final answer
x = 2,036,531,309.75
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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.