Finding the Fourth Proportional to 5,029,378,170.68, 6,940,908,702.18 and 2,915,379,880.76
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Solution
The fourth proportional to 5,029,378,170.68, 6,940,908,702.18 and 2,915,379,880.76 is: 4,023,436,873.87
Step by Step Solution
- Step 1: Write the proportion equation
5,029,378,170.68 : 6,940,908,702.18 = 2,915,379,880.76 : x - Step 2: Convert to fraction form
5,029,378,170.68/6,940,908,702.18 = 2,915,379,880.76/x - Step 3: Cross multiply
5,029,378,170.68x = 6,940,908,702.18 × 2,915,379,880.76 - Step 4: Simplify right side
5,029,378,170.68x = 20,235,385,584,527,577,088 - Step 5: Solve for x
x = 20,235,385,584,527,577,088/5,029,378,170.68 - Step 6: Final answer
x = 4,023,436,873.87
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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.