Finding the Fourth Proportional to 1,327,357,353.48, 1,831,479,688.26 and 762,733,137.48
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Solution
The fourth proportional to 1,327,357,353.48, 1,831,479,688.26 and 762,733,137.48 is: 1,052,414,592.95
Step by Step Solution
- Step 1: Write the proportion equation
1,327,357,353.48 : 1,831,479,688.26 = 762,733,137.48 : x - Step 2: Convert to fraction form
1,327,357,353.48/1,831,479,688.26 = 762,733,137.48/x - Step 3: Cross multiply
1,327,357,353.48x = 1,831,479,688.26 × 762,733,137.48 - Step 4: Simplify right side
1,327,357,353.48x = 1,396,930,248,857,442,048 - Step 5: Solve for x
x = 1,396,930,248,857,442,048/1,327,357,353.48 - Step 6: Final answer
x = 1,052,414,592.95
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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.