Finding the Fourth Proportional to 5,107,838,395.44, 7,048,813,867.92 and 2,760,994,939.44
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Solution
The fourth proportional to 5,107,838,395.44, 7,048,813,867.92 and 2,760,994,939.44 is: 3,810,171,331.14
Step by Step Solution
- Step 1: Write the proportion equation
5,107,838,395.44 : 7,048,813,867.92 = 2,760,994,939.44 : x - Step 2: Convert to fraction form
5,107,838,395.44/7,048,813,867.92 = 2,760,994,939.44/x - Step 3: Cross multiply
5,107,838,395.44x = 7,048,813,867.92 × 2,760,994,939.44 - Step 4: Simplify right side
5,107,838,395.44x = 19,461,739,418,381,615,104 - Step 5: Solve for x
x = 19,461,739,418,381,615,104/5,107,838,395.44 - Step 6: Final answer
x = 3,810,171,331.14
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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.