Finding the Fourth Proportional to 1,255,986,928.83, 1,733,230,282.85 and 691,466,174.65
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Solution
The fourth proportional to 1,255,986,928.83, 1,733,230,282.85 and 691,466,174.65 is: 954,205,880.62
Step by Step Solution
- Step 1: Write the proportion equation
1,255,986,928.83 : 1,733,230,282.85 = 691,466,174.65 : x - Step 2: Convert to fraction form
1,255,986,928.83/1,733,230,282.85 = 691,466,174.65/x - Step 3: Cross multiply
1,255,986,928.83x = 1,733,230,282.85 × 691,466,174.65 - Step 4: Simplify right side
1,255,986,928.83x = 1,198,470,113,468,212,224 - Step 5: Solve for x
x = 1,198,470,113,468,212,224/1,255,986,928.83 - Step 6: Final answer
x = 954,205,880.62
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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.