Finding the Fourth Proportional to 276,749,395.34, 415,277,318.00 and 165,812,446.44
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Solution
The fourth proportional to 276,749,395.34, 415,277,318.00 and 165,812,446.44 is: 248,810,473.34
Step by Step Solution
- Step 1: Write the proportion equation
276,749,395.34 : 415,277,318.00 = 165,812,446.44 : x - Step 2: Convert to fraction form
276,749,395.34/415,277,318.00 = 165,812,446.44/x - Step 3: Cross multiply
276,749,395.34x = 415,277,318.00 × 165,812,446.44 - Step 4: Simplify right side
276,749,395.34x = 68,858,148,049,036,376 - Step 5: Solve for x
x = 68,858,148,049,036,376/276,749,395.34 - Step 6: Final answer
x = 248,810,473.34
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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.