Finding the Fourth Proportional to 332,563,230.84, 458,721,013.01 and 213,296,912.75
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Solution
The fourth proportional to 332,563,230.84, 458,721,013.01 and 213,296,912.75 is: 294,211,045.65
Step by Step Solution
- Step 1: Write the proportion equation
332,563,230.84 : 458,721,013.01 = 213,296,912.75 : x - Step 2: Convert to fraction form
332,563,230.84/458,721,013.01 = 213,296,912.75/x - Step 3: Cross multiply
332,563,230.84x = 458,721,013.01 × 213,296,912.75 - Step 4: Simplify right side
332,563,230.84x = 97,843,775,889,345,824 - Step 5: Solve for x
x = 97,843,775,889,345,824/332,563,230.84 - Step 6: Final answer
x = 294,211,045.65
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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.