Finding the Fourth Proportional to 951,096,487.20, 1,307,858,856.75 and 825,430,513.26
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Solution
The fourth proportional to 951,096,487.20, 1,307,858,856.75 and 825,430,513.26 is: 1,135,054,773.01
Step by Step Solution
- Step 1: Write the proportion equation
951,096,487.20 : 1,307,858,856.75 = 825,430,513.26 : x - Step 2: Convert to fraction form
951,096,487.20/1,307,858,856.75 = 825,430,513.26/x - Step 3: Cross multiply
951,096,487.20x = 1,307,858,856.75 × 825,430,513.26 - Step 4: Simplify right side
951,096,487.20x = 1,079,546,607,392,249,984 - Step 5: Solve for x
x = 1,079,546,607,392,249,984/951,096,487.20 - Step 6: Final answer
x = 1,135,054,773.01
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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.