Finding the Fourth Proportional to 7,520,536,544.80, 11,273,638,455.60 and 5,861,523,834.40
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Solution
The fourth proportional to 7,520,536,544.80, 11,273,638,455.60 and 5,861,523,834.40 is: 8,786,700,272.55
Step by Step Solution
- Step 1: Write the proportion equation
7,520,536,544.80 : 11,273,638,455.60 = 5,861,523,834.40 : x - Step 2: Convert to fraction form
7,520,536,544.80/11,273,638,455.60 = 5,861,523,834.40/x - Step 3: Cross multiply
7,520,536,544.80x = 11,273,638,455.60 × 5,861,523,834.40 - Step 4: Simplify right side
7,520,536,544.80x = 66,080,700,507,907,801,088 - Step 5: Solve for x
x = 66,080,700,507,907,801,088/7,520,536,544.80 - Step 6: Final answer
x = 8,786,700,272.55
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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.