Finding the Fourth Proportional to 351,021,105.06, 484,424,352.01 and 194,388,212.06
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Solution
The fourth proportional to 351,021,105.06, 484,424,352.01 and 194,388,212.06 is: 268,264,165.05
Step by Step Solution
- Step 1: Write the proportion equation
351,021,105.06 : 484,424,352.01 = 194,388,212.06 : x - Step 2: Convert to fraction form
351,021,105.06/484,424,352.01 = 194,388,212.06/x - Step 3: Cross multiply
351,021,105.06x = 484,424,352.01 × 194,388,212.06 - Step 4: Simplify right side
351,021,105.06x = 94,166,383,665,547,968 - Step 5: Solve for x
x = 94,166,383,665,547,968/351,021,105.06 - Step 6: Final answer
x = 268,264,165.05
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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.