Finding the Fourth Proportional to 733,309,193.82, 1,014,631,475.64 and 639,419,124.90
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Solution
The fourth proportional to 733,309,193.82, 1,014,631,475.64 and 639,419,124.90 is: 884,721,991.37
Step by Step Solution
- Step 1: Write the proportion equation
733,309,193.82 : 1,014,631,475.64 = 639,419,124.90 : x - Step 2: Convert to fraction form
733,309,193.82/1,014,631,475.64 = 639,419,124.90/x - Step 3: Cross multiply
733,309,193.82x = 1,014,631,475.64 × 639,419,124.90 - Step 4: Simplify right side
733,309,193.82x = 648,774,770,249,724,416 - Step 5: Solve for x
x = 648,774,770,249,724,416/733,309,193.82 - Step 6: Final answer
x = 884,721,991.37
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1.5x scale
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.