Finding the Fourth Proportional to 18,070,767,245.28, 24,938,263,661.45 and 10,042,446,163.80
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Solution
The fourth proportional to 18,070,767,245.28, 24,938,263,661.45 and 10,042,446,163.80 is: 13,858,911,845.82
Step by Step Solution
- Step 1: Write the proportion equation
18,070,767,245.28 : 24,938,263,661.45 = 10,042,446,163.80 : x - Step 2: Convert to fraction form
18,070,767,245.28/24,938,263,661.45 = 10,042,446,163.80/x - Step 3: Cross multiply
18,070,767,245.28x = 24,938,263,661.45 × 10,042,446,163.80 - Step 4: Simplify right side
18,070,767,245.28x = 250,441,170,238,711,267,328 - Step 5: Solve for x
x = 250,441,170,238,711,267,328/18,070,767,245.28 - Step 6: Final answer
x = 13,858,911,845.82
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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.