Finding the Fourth Proportional to 3,021,128,268.36, 4,138,960,496.20 and 2,907,897,093.28
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Solution
The fourth proportional to 3,021,128,268.36, 4,138,960,496.20 and 2,907,897,093.28 is: 3,983,833,232.82
Step by Step Solution
- Step 1: Write the proportion equation
3,021,128,268.36 : 4,138,960,496.20 = 2,907,897,093.28 : x - Step 2: Convert to fraction form
3,021,128,268.36/4,138,960,496.20 = 2,907,897,093.28/x - Step 3: Cross multiply
3,021,128,268.36x = 4,138,960,496.20 × 2,907,897,093.28 - Step 4: Simplify right side
3,021,128,268.36x = 12,035,671,196,100,726,784 - Step 5: Solve for x
x = 12,035,671,196,100,726,784/3,021,128,268.36 - Step 6: Final answer
x = 3,983,833,232.82
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.