Finding the Fourth Proportional to 3,519,199,550.94, 4,856,545,119.87 and 1,933,438,063.02
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Solution
The fourth proportional to 3,519,199,550.94, 4,856,545,119.87 and 1,933,438,063.02 is: 2,668,171,853.75
Step by Step Solution
- Step 1: Write the proportion equation
3,519,199,550.94 : 4,856,545,119.87 = 1,933,438,063.02 : x - Step 2: Convert to fraction form
3,519,199,550.94/4,856,545,119.87 = 1,933,438,063.02/x - Step 3: Cross multiply
3,519,199,550.94x = 4,856,545,119.87 × 1,933,438,063.02 - Step 4: Simplify right side
3,519,199,550.94x = 9,389,829,189,530,685,440 - Step 5: Solve for x
x = 9,389,829,189,530,685,440/3,519,199,550.94 - Step 6: Final answer
x = 2,668,171,853.75
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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.