Finding the Fourth Proportional to 3,784,270,955.60, 5,222,135,846.87 and 2,176,603,690.79
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Solution
The fourth proportional to 3,784,270,955.60, 5,222,135,846.87 and 2,176,603,690.79 is: 3,003,622,174.90
Step by Step Solution
- Step 1: Write the proportion equation
3,784,270,955.60 : 5,222,135,846.87 = 2,176,603,690.79 : x - Step 2: Convert to fraction form
3,784,270,955.60/5,222,135,846.87 = 2,176,603,690.79/x - Step 3: Cross multiply
3,784,270,955.60x = 5,222,135,846.87 × 2,176,603,690.79 - Step 4: Simplify right side
3,784,270,955.60x = 11,366,520,158,067,009,536 - Step 5: Solve for x
x = 11,366,520,158,067,009,536/3,784,270,955.60 - Step 6: Final answer
x = 3,003,622,174.90
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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.