Finding the Fourth Proportional to 5,385,278,349.14, 8,081,065,310.97 and 3,889,835,261.60
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Solution
The fourth proportional to 5,385,278,349.14, 8,081,065,310.97 and 3,889,835,261.60 is: 5,837,026,567.61
Step by Step Solution
- Step 1: Write the proportion equation
5,385,278,349.14 : 8,081,065,310.97 = 3,889,835,261.60 : x - Step 2: Convert to fraction form
5,385,278,349.14/8,081,065,310.97 = 3,889,835,261.60/x - Step 3: Cross multiply
5,385,278,349.14x = 8,081,065,310.97 × 3,889,835,261.60 - Step 4: Simplify right side
5,385,278,349.14x = 31,434,012,797,903,675,392 - Step 5: Solve for x
x = 31,434,012,797,903,675,392/5,385,278,349.14 - Step 6: Final answer
x = 5,837,026,567.61
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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.