Finding the Fourth Proportional to 20,456,442,225.44, 28,024,859,798.57 and 19,691,608,704.99
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Solution
The fourth proportional to 20,456,442,225.44, 28,024,859,798.57 and 19,691,608,704.99 is: 26,977,055,300.43
Step by Step Solution
- Step 1: Write the proportion equation
20,456,442,225.44 : 28,024,859,798.57 = 19,691,608,704.99 : x - Step 2: Convert to fraction form
20,456,442,225.44/28,024,859,798.57 = 19,691,608,704.99/x - Step 3: Cross multiply
20,456,442,225.44x = 28,024,859,798.57 × 19,691,608,704.99 - Step 4: Simplify right side
20,456,442,225.44x = 551,854,573,165,546,897,408 - Step 5: Solve for x
x = 551,854,573,165,546,897,408/20,456,442,225.44 - Step 6: Final answer
x = 26,977,055,300.43
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.