Finding the Fourth Proportional to 623,323,322.76, 860,211,505.62 and 344,860,311
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Solution
The fourth proportional to 623,323,322.76, 860,211,505.62 and 344,860,311 is: 475,921,237.86
Step by Step Solution
- Step 1: Write the proportion equation
623,323,322.76 : 860,211,505.62 = 344,860,311 : x - Step 2: Convert to fraction form
623,323,322.76/860,211,505.62 = 344,860,311/x - Step 3: Cross multiply
623,323,322.76x = 860,211,505.62 × 344,860,311 - Step 4: Simplify right side
623,323,322.76x = 296,652,807,353,891,456 - Step 5: Solve for x
x = 296,652,807,353,891,456/623,323,322.76 - Step 6: Final answer
x = 475,921,237.86
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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.