Finding the Fourth Proportional to 2,871,476,578.56, 3,962,640,481.92 and 1,551,378,184.32
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Solution
The fourth proportional to 2,871,476,578.56, 3,962,640,481.92 and 1,551,378,184.32 is: 2,140,903,409.02
Step by Step Solution
- Step 1: Write the proportion equation
2,871,476,578.56 : 3,962,640,481.92 = 1,551,378,184.32 : x - Step 2: Convert to fraction form
2,871,476,578.56/3,962,640,481.92 = 1,551,378,184.32/x - Step 3: Cross multiply
2,871,476,578.56x = 3,962,640,481.92 × 1,551,378,184.32 - Step 4: Simplify right side
2,871,476,578.56x = 6,147,553,995,953,979,392 - Step 5: Solve for x
x = 6,147,553,995,953,979,392/2,871,476,578.56 - Step 6: Final answer
x = 2,140,903,409.02
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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.