Finding the Fourth Proportional to 1,585,284,415.20, 2,377,926,622.80 and 1,258,767,064.80
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Solution
The fourth proportional to 1,585,284,415.20, 2,377,926,622.80 and 1,258,767,064.80 is: 1,888,150,597.20
Step by Step Solution
- Step 1: Write the proportion equation
1,585,284,415.20 : 2,377,926,622.80 = 1,258,767,064.80 : x - Step 2: Convert to fraction form
1,585,284,415.20/2,377,926,622.80 = 1,258,767,064.80/x - Step 3: Cross multiply
1,585,284,415.20x = 2,377,926,622.80 × 1,258,767,064.80 - Step 4: Simplify right side
1,585,284,415.20x = 2,993,255,715,291,732,992 - Step 5: Solve for x
x = 2,993,255,715,291,732,992/1,585,284,415.20 - Step 6: Final answer
x = 1,888,150,597.20
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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.