Finding the Fourth Proportional to 2,381,599,872.42, 3,572,569,869.75 and 634,793,458.74
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Solution
The fourth proportional to 2,381,599,872.42, 3,572,569,869.75 and 634,793,458.74 is: 952,235,516.33
Step by Step Solution
- Step 1: Write the proportion equation
2,381,599,872.42 : 3,572,569,869.75 = 634,793,458.74 : x - Step 2: Convert to fraction form
2,381,599,872.42/3,572,569,869.75 = 634,793,458.74/x - Step 3: Cross multiply
2,381,599,872.42x = 3,572,569,869.75 × 634,793,458.74 - Step 4: Simplify right side
2,381,599,872.42x = 2,267,843,984,208,913,920 - Step 5: Solve for x
x = 2,267,843,984,208,913,920/2,381,599,872.42 - Step 6: Final answer
x = 952,235,516.33
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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.