Finding the Fourth Proportional to 1,476,579,626.20, 2,214,869,439.30 and 1,236,506,512.60
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Solution
The fourth proportional to 1,476,579,626.20, 2,214,869,439.30 and 1,236,506,512.60 is: 1,854,759,768.90
Step by Step Solution
- Step 1: Write the proportion equation
1,476,579,626.20 : 2,214,869,439.30 = 1,236,506,512.60 : x - Step 2: Convert to fraction form
1,476,579,626.20/2,214,869,439.30 = 1,236,506,512.60/x - Step 3: Cross multiply
1,476,579,626.20x = 2,214,869,439.30 × 1,236,506,512.60 - Step 4: Simplify right side
1,476,579,626.20x = 2,738,700,486,253,160,448 - Step 5: Solve for x
x = 2,738,700,486,253,160,448/1,476,579,626.20 - Step 6: Final answer
x = 1,854,759,768.90
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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.