Finding the Fourth Proportional to 4,973,315,947.11, 6,863,140,474.20 and 2,715,255,403.92
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Solution
The fourth proportional to 4,973,315,947.11, 6,863,140,474.20 and 2,715,255,403.92 is: 3,747,033,057.75
Step by Step Solution
- Step 1: Write the proportion equation
4,973,315,947.11 : 6,863,140,474.20 = 2,715,255,403.92 : x - Step 2: Convert to fraction form
4,973,315,947.11/6,863,140,474.20 = 2,715,255,403.92/x - Step 3: Cross multiply
4,973,315,947.11x = 6,863,140,474.20 × 2,715,255,403.92 - Step 4: Simplify right side
4,973,315,947.11x = 18,635,179,260,433,620,992 - Step 5: Solve for x
x = 18,635,179,260,433,620,992/4,973,315,947.11 - Step 6: Final answer
x = 3,747,033,057.75
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1.5x scale
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.