Finding the Fourth Proportional to 7,553,620,682.80, 11,330,431,024.20 and 7,094,077,745.20
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Solution
The fourth proportional to 7,553,620,682.80, 11,330,431,024.20 and 7,094,077,745.20 is: 10,641,116,617.80
Step by Step Solution
- Step 1: Write the proportion equation
7,553,620,682.80 : 11,330,431,024.20 = 7,094,077,745.20 : x - Step 2: Convert to fraction form
7,553,620,682.80/11,330,431,024.20 = 7,094,077,745.20/x - Step 3: Cross multiply
7,553,620,682.80x = 11,330,431,024.20 × 7,094,077,745.20 - Step 4: Simplify right side
7,553,620,682.80x = 80,378,958,572,300,861,440 - Step 5: Solve for x
x = 80,378,958,572,300,861,440/7,553,620,682.80 - Step 6: Final answer
x = 10,641,116,617.80
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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.