Finding the Fourth Proportional to 1,700,750,949.63, 2,347,036,290.99 and 918,469,797.63
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Solution
The fourth proportional to 1,700,750,949.63, 2,347,036,290.99 and 918,469,797.63 is: 1,267,488,310.20
Step by Step Solution
- Step 1: Write the proportion equation
1,700,750,949.63 : 2,347,036,290.99 = 918,469,797.63 : x - Step 2: Convert to fraction form
1,700,750,949.63/2,347,036,290.99 = 918,469,797.63/x - Step 3: Cross multiply
1,700,750,949.63x = 2,347,036,290.99 × 918,469,797.63 - Step 4: Simplify right side
1,700,750,949.63x = 2,155,681,947,215,850,752 - Step 5: Solve for x
x = 2,155,681,947,215,850,752/1,700,750,949.63 - Step 6: Final answer
x = 1,267,488,310.20
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1.5x scale
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.