Finding the Fourth Proportional to 2,450,336,845.32, 3,381,750,723.74 and 1,393,223,210.88
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Solution
The fourth proportional to 2,450,336,845.32, 3,381,750,723.74 and 1,393,223,210.88 is: 1,922,810,576.32
Step by Step Solution
- Step 1: Write the proportion equation
2,450,336,845.32 : 3,381,750,723.74 = 1,393,223,210.88 : x - Step 2: Convert to fraction form
2,450,336,845.32/3,381,750,723.74 = 1,393,223,210.88/x - Step 3: Cross multiply
2,450,336,845.32x = 3,381,750,723.74 × 1,393,223,210.88 - Step 4: Simplify right side
2,450,336,845.32x = 4,711,533,601,724,807,168 - Step 5: Solve for x
x = 4,711,533,601,724,807,168/2,450,336,845.32 - Step 6: Final answer
x = 1,922,810,576.32
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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.