Finding the Fourth Proportional to 327,458,948.21, 490,405,373.09 and 188,864,374.99
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Solution
The fourth proportional to 327,458,948.21, 490,405,373.09 and 188,864,374.99 is: 282,844,933.04
Step by Step Solution
- Step 1: Write the proportion equation
327,458,948.21 : 490,405,373.09 = 188,864,374.99 : x - Step 2: Convert to fraction form
327,458,948.21/490,405,373.09 = 188,864,374.99/x - Step 3: Cross multiply
327,458,948.21x = 490,405,373.09 × 188,864,374.99 - Step 4: Simplify right side
327,458,948.21x = 92,620,104,280,144,320 - Step 5: Solve for x
x = 92,620,104,280,144,320/327,458,948.21 - Step 6: Final answer
x = 282,844,933.04
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.