Finding the Fourth Proportional to 2,212,277,759,917.30, 3,318,163,152,793.50 and 578,780,948,918.08
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Solution
The fourth proportional to 2,212,277,759,917.30, 3,318,163,152,793.50 and 578,780,948,918.08 is: 868,105,105,531.88
Step by Step Solution
- Step 1: Write the proportion equation
2,212,277,759,917.30 : 3,318,163,152,793.50 = 578,780,948,918.08 : x - Step 2: Convert to fraction form
2,212,277,759,917.30/3,318,163,152,793.50 = 578,780,948,918.08/x - Step 3: Cross multiply
2,212,277,759,917.30x = 3,318,163,152,793.50 × 578,780,948,918.08 - Step 4: Simplify right side
2,212,277,759,917.30x = 1,920,489,618,238,829,890,633,728 - Step 5: Solve for x
x = 1,920,489,618,238,829,890,633,728/2,212,277,759,917.30 - Step 6: Final answer
x = 868,105,105,531.88
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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.