Finding the Fourth Proportional to 1,585,284,472.20, 2,377,926,708.30 and 1,258,767,121.80
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Solution
The fourth proportional to 1,585,284,472.20, 2,377,926,708.30 and 1,258,767,121.80 is: 1,888,150,682.70
Step by Step Solution
- Step 1: Write the proportion equation
1,585,284,472.20 : 2,377,926,708.30 = 1,258,767,121.80 : x - Step 2: Convert to fraction form
1,585,284,472.20/2,377,926,708.30 = 1,258,767,121.80/x - Step 3: Cross multiply
1,585,284,472.20x = 2,377,926,708.30 × 1,258,767,121.80 - Step 4: Simplify right side
1,585,284,472.20x = 2,993,255,958,458,139,136 - Step 5: Solve for x
x = 2,993,255,958,458,139,136/1,585,284,472.20 - Step 6: Final answer
x = 1,888,150,682.70
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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.