Finding the Fourth Proportional to 1,679,624,124.20, 2,519,436,186.30 and 1,557,180,117.80
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Solution
The fourth proportional to 1,679,624,124.20, 2,519,436,186.30 and 1,557,180,117.80 is: 2,335,770,176.70
Step by Step Solution
- Step 1: Write the proportion equation
1,679,624,124.20 : 2,519,436,186.30 = 1,557,180,117.80 : x - Step 2: Convert to fraction form
1,679,624,124.20/2,519,436,186.30 = 1,557,180,117.80/x - Step 3: Cross multiply
1,679,624,124.20x = 2,519,436,186.30 × 1,557,180,117.80 - Step 4: Simplify right side
1,679,624,124.20x = 3,923,215,937,372,216,832 - Step 5: Solve for x
x = 3,923,215,937,372,216,832/1,679,624,124.20 - Step 6: Final answer
x = 2,335,770,176.70
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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.