Finding the Fourth Proportional to 9,519,549,404.80, 14,279,324,107.20 and 8,485,577,795.20
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Solution
The fourth proportional to 9,519,549,404.80, 14,279,324,107.20 and 8,485,577,795.20 is: 12,728,366,692.80
Step by Step Solution
- Step 1: Write the proportion equation
9,519,549,404.80 : 14,279,324,107.20 = 8,485,577,795.20 : x - Step 2: Convert to fraction form
9,519,549,404.80/14,279,324,107.20 = 8,485,577,795.20/x - Step 3: Cross multiply
9,519,549,404.80x = 14,279,324,107.20 × 8,485,577,795.20 - Step 4: Simplify right side
9,519,549,404.80x = 121,168,315,574,520,381,440 - Step 5: Solve for x
x = 121,168,315,574,520,381,440/9,519,549,404.80 - Step 6: Final answer
x = 12,728,366,692.80
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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.