Finding the Fourth Proportional to 364,323,555.76, 545,913,370.30 and 247,794,487.72
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Solution
The fourth proportional to 364,323,555.76, 545,913,370.30 and 247,794,487.72 is: 371,302,710.99
Step by Step Solution
- Step 1: Write the proportion equation
364,323,555.76 : 545,913,370.30 = 247,794,487.72 : x - Step 2: Convert to fraction form
364,323,555.76/545,913,370.30 = 247,794,487.72/x - Step 3: Cross multiply
364,323,555.76x = 545,913,370.30 × 247,794,487.72 - Step 4: Simplify right side
364,323,555.76x = 135,274,323,932,987,152 - Step 5: Solve for x
x = 135,274,323,932,987,152/364,323,555.76 - Step 6: Final answer
x = 371,302,710.99
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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.