Finding the Fourth Proportional to 18,911,232,023.70, 28,366,848,035.55 and 18,911,232,023.70
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Solution
The fourth proportional to 18,911,232,023.70, 28,366,848,035.55 and 18,911,232,023.70 is: 28,366,848,035.55
Step by Step Solution
- Step 1: Write the proportion equation
18,911,232,023.70 : 28,366,848,035.55 = 18,911,232,023.70 : x - Step 2: Convert to fraction form
18,911,232,023.70/28,366,848,035.55 = 18,911,232,023.70/x - Step 3: Cross multiply
18,911,232,023.70x = 28,366,848,035.55 × 18,911,232,023.70 - Step 4: Simplify right side
18,911,232,023.70x = 536,452,044,981,324,611,584 - Step 5: Solve for x
x = 536,452,044,981,324,611,584/18,911,232,023.70 - Step 6: Final answer
x = 28,366,848,035.55
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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.