Finding the Fourth Proportional to 2,453,672,099.70, 3,680,413,671.15 and 817,896,701.70
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Solution
The fourth proportional to 2,453,672,099.70, 3,680,413,671.15 and 817,896,701.70 is: 1,226,813,559.52
Step by Step Solution
- Step 1: Write the proportion equation
2,453,672,099.70 : 3,680,413,671.15 = 817,896,701.70 : x - Step 2: Convert to fraction form
2,453,672,099.70/3,680,413,671.15 = 817,896,701.70/x - Step 3: Cross multiply
2,453,672,099.70x = 3,680,413,671.15 × 817,896,701.70 - Step 4: Simplify right side
2,453,672,099.70x = 3,010,198,202,525,173,760 - Step 5: Solve for x
x = 3,010,198,202,525,173,760/2,453,672,099.70 - Step 6: Final answer
x = 1,226,813,559.52
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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.