Finding the Fourth Proportional to 1,650,734,121.60, 2,278,013,010.84 and 908,162,241.12
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Solution
The fourth proportional to 1,650,734,121.60, 2,278,013,010.84 and 908,162,241.12 is: 1,253,263,850.40
Step by Step Solution
- Step 1: Write the proportion equation
1,650,734,121.60 : 2,278,013,010.84 = 908,162,241.12 : x - Step 2: Convert to fraction form
1,650,734,121.60/2,278,013,010.84 = 908,162,241.12/x - Step 3: Cross multiply
1,650,734,121.60x = 2,278,013,010.84 × 908,162,241.12 - Step 4: Simplify right side
1,650,734,121.60x = 2,068,805,401,224,973,312 - Step 5: Solve for x
x = 2,068,805,401,224,973,312/1,650,734,121.60 - Step 6: Final answer
x = 1,253,263,850.40
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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.