Finding the Fourth Proportional to 1,073,544,804.70, 1,610,317,207.05 and 798,045,790.30
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Solution
The fourth proportional to 1,073,544,804.70, 1,610,317,207.05 and 798,045,790.30 is: 1,197,068,685.45
Step by Step Solution
- Step 1: Write the proportion equation
1,073,544,804.70 : 1,610,317,207.05 = 798,045,790.30 : x - Step 2: Convert to fraction form
1,073,544,804.70/1,610,317,207.05 = 798,045,790.30/x - Step 3: Cross multiply
1,073,544,804.70x = 1,610,317,207.05 × 798,045,790.30 - Step 4: Simplify right side
1,073,544,804.70x = 1,285,106,868,133,905,920 - Step 5: Solve for x
x = 1,285,106,868,133,905,920/1,073,544,804.70 - Step 6: Final answer
x = 1,197,068,685.45
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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.