Finding the Fourth Proportional to 39,955,728,431.62, 55,131,897,216.18 and 22,800,749,178.70
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Solution
The fourth proportional to 39,955,728,431.62, 55,131,897,216.18 and 22,800,749,178.70 is: 31,461,034,738.06
Step by Step Solution
- Step 1: Write the proportion equation
39,955,728,431.62 : 55,131,897,216.18 = 22,800,749,178.70 : x - Step 2: Convert to fraction form
39,955,728,431.62/55,131,897,216.18 = 22,800,749,178.70/x - Step 3: Cross multiply
39,955,728,431.62x = 55,131,897,216.18 × 22,800,749,178.70 - Step 4: Simplify right side
39,955,728,431.62x = 1,257,048,560,171,930,091,520 - Step 5: Solve for x
x = 1,257,048,560,171,930,091,520/39,955,728,431.62 - Step 6: Final answer
x = 31,461,034,738.06
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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.