Finding the Fourth Proportional to 1,327,358,141.82, 1,831,480,776.99 and 762,733,930.14
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Solution
The fourth proportional to 1,327,358,141.82, 1,831,480,776.99 and 762,733,930.14 is: 1,052,415,687.22
Step by Step Solution
- Step 1: Write the proportion equation
1,327,358,141.82 : 1,831,480,776.99 = 762,733,930.14 : x - Step 2: Convert to fraction form
1,327,358,141.82/1,831,480,776.99 = 762,733,930.14/x - Step 3: Cross multiply
1,327,358,141.82x = 1,831,480,776.99 × 762,733,930.14 - Step 4: Simplify right side
1,327,358,141.82x = 1,396,932,531,009,443,584 - Step 5: Solve for x
x = 1,396,932,531,009,443,584/1,327,358,141.82 - Step 6: Final answer
x = 1,052,415,687.22
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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.