Finding the Fourth Proportional to 4,137,372,576.40, 6,209,082,173.40 and 2,912,932,512.40
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Solution
The fourth proportional to 4,137,372,576.40, 6,209,082,173.40 and 2,912,932,512.40 is: 4,371,527,340.38
Step by Step Solution
- Step 1: Write the proportion equation
4,137,372,576.40 : 6,209,082,173.40 = 2,912,932,512.40 : x - Step 2: Convert to fraction form
4,137,372,576.40/6,209,082,173.40 = 2,912,932,512.40/x - Step 3: Cross multiply
4,137,372,576.40x = 6,209,082,173.40 × 2,912,932,512.40 - Step 4: Simplify right side
4,137,372,576.40x = 18,086,637,335,060,113,408 - Step 5: Solve for x
x = 18,086,637,335,060,113,408/4,137,372,576.40 - Step 6: Final answer
x = 4,371,527,340.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.