Finding the Fourth Proportional to 306,801,324.54, 458,520,905.45 and 223,977,491.75
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Solution
The fourth proportional to 306,801,324.54, 458,520,905.45 and 223,977,491.75 is: 334,738,979.59
Step by Step Solution
- Step 1: Write the proportion equation
306,801,324.54 : 458,520,905.45 = 223,977,491.75 : x - Step 2: Convert to fraction form
306,801,324.54/458,520,905.45 = 223,977,491.75/x - Step 3: Cross multiply
306,801,324.54x = 458,520,905.45 × 223,977,491.75 - Step 4: Simplify right side
306,801,324.54x = 102,698,362,314,217,408 - Step 5: Solve for x
x = 102,698,362,314,217,408/306,801,324.54 - Step 6: Final answer
x = 334,738,979.59
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.