Finding the Fourth Proportional to 1,761,593,587.20, 2,431,069,195.68 and 968,704,571.52
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Solution
The fourth proportional to 1,761,593,587.20, 2,431,069,195.68 and 968,704,571.52 is: 1,336,850,826.80
Step by Step Solution
- Step 1: Write the proportion equation
1,761,593,587.20 : 2,431,069,195.68 = 968,704,571.52 : x - Step 2: Convert to fraction form
1,761,593,587.20/2,431,069,195.68 = 968,704,571.52/x - Step 3: Cross multiply
1,761,593,587.20x = 2,431,069,195.68 × 968,704,571.52 - Step 4: Simplify right side
1,761,593,587.20x = 2,354,987,843,536,665,088 - Step 5: Solve for x
x = 2,354,987,843,536,665,088/1,761,593,587.20 - Step 6: Final answer
x = 1,336,850,826.80
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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.