Finding the Fourth Proportional to 2,212,416,059.72, 3,318,193,565.87 and 638,412,706.35
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Solution
The fourth proportional to 2,212,416,059.72, 3,318,193,565.87 and 638,412,706.35 is: 957,494,828.01
Step by Step Solution
- Step 1: Write the proportion equation
2,212,416,059.72 : 3,318,193,565.87 = 638,412,706.35 : x - Step 2: Convert to fraction form
2,212,416,059.72/3,318,193,565.87 = 638,412,706.35/x - Step 3: Cross multiply
2,212,416,059.72x = 3,318,193,565.87 × 638,412,706.35 - Step 4: Simplify right side
2,212,416,059.72x = 2,118,376,934,577,031,680 - Step 5: Solve for x
x = 2,118,376,934,577,031,680/2,212,416,059.72 - Step 6: Final answer
x = 957,494,828.01
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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.