Finding the Fourth Proportional to 1,327,357,350.48, 1,831,479,684.12 and 762,733,134.48
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Solution
The fourth proportional to 1,327,357,350.48, 1,831,479,684.12 and 762,733,134.48 is: 1,052,414,588.81
Step by Step Solution
- Step 1: Write the proportion equation
1,327,357,350.48 : 1,831,479,684.12 = 762,733,134.48 : x - Step 2: Convert to fraction form
1,327,357,350.48/1,831,479,684.12 = 762,733,134.48/x - Step 3: Cross multiply
1,327,357,350.48x = 1,831,479,684.12 × 762,733,134.48 - Step 4: Simplify right side
1,327,357,350.48x = 1,396,930,240,205,287,936 - Step 5: Solve for x
x = 1,396,930,240,205,287,936/1,327,357,350.48 - Step 6: Final answer
x = 1,052,414,588.81
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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.