Finding the Fourth Proportional to 5,312,223,247.40, 7,973,436,704.70 and 4,536,744,540.20
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Solution
The fourth proportional to 5,312,223,247.40, 7,973,436,704.70 and 4,536,744,540.20 is: 6,809,473,877.89
Step by Step Solution
- Step 1: Write the proportion equation
5,312,223,247.40 : 7,973,436,704.70 = 4,536,744,540.20 : x - Step 2: Convert to fraction form
5,312,223,247.40/7,973,436,704.70 = 4,536,744,540.20/x - Step 3: Cross multiply
5,312,223,247.40x = 7,973,436,704.70 × 4,536,744,540.20 - Step 4: Simplify right side
5,312,223,247.40x = 36,173,445,436,678,000,640 - Step 5: Solve for x
x = 36,173,445,436,678,000,640/5,312,223,247.40 - Step 6: Final answer
x = 6,809,473,877.89
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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.