Finding the Fourth Proportional to 289,891,575.36, 434,288,707.92 and 171,361,475.28
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Solution
The fourth proportional to 289,891,575.36, 434,288,707.92 and 171,361,475.28 is: 256,717,890.45
Step by Step Solution
- Step 1: Write the proportion equation
289,891,575.36 : 434,288,707.92 = 171,361,475.28 : x - Step 2: Convert to fraction form
289,891,575.36/434,288,707.92 = 171,361,475.28/x - Step 3: Cross multiply
289,891,575.36x = 434,288,707.92 × 171,361,475.28 - Step 4: Simplify right side
289,891,575.36x = 74,420,353,686,616,224 - Step 5: Solve for x
x = 74,420,353,686,616,224/289,891,575.36 - Step 6: Final answer
x = 256,717,890.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.