Finding the Fourth Proportional to 3,865,848,340.47, 5,334,720,533.60 and 2,362,990,987.23
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Solution
The fourth proportional to 3,865,848,340.47, 5,334,720,533.60 and 2,362,990,987.23 is: 3,260,835,767.48
Step by Step Solution
- Step 1: Write the proportion equation
3,865,848,340.47 : 5,334,720,533.60 = 2,362,990,987.23 : x - Step 2: Convert to fraction form
3,865,848,340.47/5,334,720,533.60 = 2,362,990,987.23/x - Step 3: Cross multiply
3,865,848,340.47x = 5,334,720,533.60 × 2,362,990,987.23 - Step 4: Simplify right side
3,865,848,340.47x = 12,605,896,540,275,802,112 - Step 5: Solve for x
x = 12,605,896,540,275,802,112/3,865,848,340.47 - Step 6: Final answer
x = 3,260,835,767.48
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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.