Finding the Fourth Proportional to 383,841,266,129.05, 529,717,598,015.65 and 212,563,197,618.58
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Solution
The fourth proportional to 383,841,266,129.05, 529,717,598,015.65 and 212,563,197,618.58 is: 293,346,433,552.00
Step by Step Solution
- Step 1: Write the proportion equation
383,841,266,129.05 : 529,717,598,015.65 = 212,563,197,618.58 : x - Step 2: Convert to fraction form
383,841,266,129.05/529,717,598,015.65 = 212,563,197,618.58/x - Step 3: Cross multiply
383,841,266,129.05x = 529,717,598,015.65 × 212,563,197,618.58 - Step 4: Simplify right side
383,841,266,129.05x = 112,598,466,469,040,125,640,704 - Step 5: Solve for x
x = 112,598,466,469,040,125,640,704/383,841,266,129.05 - Step 6: Final answer
x = 293,346,433,552.00
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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.