Finding the Fourth Proportional to 1,156,093,138.63, 1,595,410,070.73 and 627,457,124.68
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Solution
The fourth proportional to 1,156,093,138.63, 1,595,410,070.73 and 627,457,124.68 is: 865,891,667.56
Step by Step Solution
- Step 1: Write the proportion equation
1,156,093,138.63 : 1,595,410,070.73 = 627,457,124.68 : x - Step 2: Convert to fraction form
1,156,093,138.63/1,595,410,070.73 = 627,457,124.68/x - Step 3: Cross multiply
1,156,093,138.63x = 1,595,410,070.73 × 627,457,124.68 - Step 4: Simplify right side
1,156,093,138.63x = 1,001,051,415,665,761,152 - Step 5: Solve for x
x = 1,001,051,415,665,761,152/1,156,093,138.63 - Step 6: Final answer
x = 865,891,667.56
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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.