Finding the Fourth Proportional to 1,541,529,980.44, 2,127,312,947.41 and 836,682,107.19
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Solution
The fourth proportional to 1,541,529,980.44, 2,127,312,947.41 and 836,682,107.19 is: 1,154,622,162.45
Step by Step Solution
- Step 1: Write the proportion equation
1,541,529,980.44 : 2,127,312,947.41 = 836,682,107.19 : x - Step 2: Convert to fraction form
1,541,529,980.44/2,127,312,947.41 = 836,682,107.19/x - Step 3: Cross multiply
1,541,529,980.44x = 2,127,312,947.41 × 836,682,107.19 - Step 4: Simplify right side
1,541,529,980.44x = 1,779,884,679,489,476,864 - Step 5: Solve for x
x = 1,779,884,679,489,476,864/1,541,529,980.44 - Step 6: Final answer
x = 1,154,622,162.45
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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.