Finding the Fourth Proportional to 1,083,418,221.44, 1,622,368,509.42 and 713,832,694.50
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Solution
The fourth proportional to 1,083,418,221.44, 1,622,368,509.42 and 713,832,694.50 is: 1,068,931,333.84
Step by Step Solution
- Step 1: Write the proportion equation
1,083,418,221.44 : 1,622,368,509.42 = 713,832,694.50 : x - Step 2: Convert to fraction form
1,083,418,221.44/1,622,368,509.42 = 713,832,694.50/x - Step 3: Cross multiply
1,083,418,221.44x = 1,622,368,509.42 × 713,832,694.50 - Step 4: Simplify right side
1,083,418,221.44x = 1,158,099,684,551,227,392 - Step 5: Solve for x
x = 1,158,099,684,551,227,392/1,083,418,221.44 - Step 6: Final answer
x = 1,068,931,333.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.