Finding the Fourth Proportional to 302,090,530,527.29, 416,886,625,410.99 and 171,879,381,961.14
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Solution
The fourth proportional to 302,090,530,527.29, 416,886,625,410.99 and 171,879,381,961.14 is: 237,194,510,527.81
Step by Step Solution
- Step 1: Write the proportion equation
302,090,530,527.29 : 416,886,625,410.99 = 171,879,381,961.14 : x - Step 2: Convert to fraction form
302,090,530,527.29/416,886,625,410.99 = 171,879,381,961.14/x - Step 3: Cross multiply
302,090,530,527.29x = 416,886,625,410.99 × 171,879,381,961.14 - Step 4: Simplify right side
302,090,530,527.29x = 71,654,215,523,506,247,958,528 - Step 5: Solve for x
x = 71,654,215,523,506,247,958,528/302,090,530,527.29 - Step 6: Final answer
x = 237,194,510,527.81
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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.