Finding the Fourth Proportional to 3,720,783,787,121.80, 5,135,636,984,120 and 2,423,373,982,782.80
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Solution
The fourth proportional to 3,720,783,787,121.80, 5,135,636,984,120 and 2,423,373,982,782.80 is: 3,344,878,327,896.81
Step by Step Solution
- Step 1: Write the proportion equation
3,720,783,787,121.80 : 5,135,636,984,120 = 2,423,373,982,782.80 : x - Step 2: Convert to fraction form
3,720,783,787,121.80/5,135,636,984,120 = 2,423,373,982,782.80/x - Step 3: Cross multiply
3,720,783,787,121.80x = 5,135,636,984,120 × 2,423,373,982,782.80 - Step 4: Simplify right side
3,720,783,787,121.80x = 12,445,569,052,333,529,750,306,816 - Step 5: Solve for x
x = 12,445,569,052,333,529,750,306,816/3,720,783,787,121.80 - Step 6: Final answer
x = 3,344,878,327,896.81
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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.