Finding the Fourth Proportional to 4,965,218,138.79, 7,448,592,483.41 and 1,692,902,067.75
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Solution
The fourth proportional to 4,965,218,138.79, 7,448,592,483.41 and 1,692,902,067.75 is: 2,539,614,023.90
Step by Step Solution
- Step 1: Write the proportion equation
4,965,218,138.79 : 7,448,592,483.41 = 1,692,902,067.75 : x - Step 2: Convert to fraction form
4,965,218,138.79/7,448,592,483.41 = 1,692,902,067.75/x - Step 3: Cross multiply
4,965,218,138.79x = 7,448,592,483.41 × 1,692,902,067.75 - Step 4: Simplify right side
4,965,218,138.79x = 12,609,737,616,983,431,168 - Step 5: Solve for x
x = 12,609,737,616,983,431,168/4,965,218,138.79 - Step 6: Final answer
x = 2,539,614,023.90
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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.