Finding the Fourth Proportional to 341,832,608.40, 471,260,479.92 and 216,322,369.68
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Solution
The fourth proportional to 341,832,608.40, 471,260,479.92 and 216,322,369.68 is: 298,228,376.25
Step by Step Solution
- Step 1: Write the proportion equation
341,832,608.40 : 471,260,479.92 = 216,322,369.68 : x - Step 2: Convert to fraction form
341,832,608.40/471,260,479.92 = 216,322,369.68/x - Step 3: Cross multiply
341,832,608.40x = 471,260,479.92 × 216,322,369.68 - Step 4: Simplify right side
341,832,608.40x = 101,944,183,752,828,464 - Step 5: Solve for x
x = 101,944,183,752,828,464/341,832,608.40 - Step 6: Final answer
x = 298,228,376.25
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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.