Finding the Fourth Proportional to 2,699,452,767.56, 4,048,132,310.96 and 928,486,750.78
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Solution
The fourth proportional to 2,699,452,767.56, 4,048,132,310.96 and 928,486,750.78 is: 1,392,370,061.55
Step by Step Solution
- Step 1: Write the proportion equation
2,699,452,767.56 : 4,048,132,310.96 = 928,486,750.78 : x - Step 2: Convert to fraction form
2,699,452,767.56/4,048,132,310.96 = 928,486,750.78/x - Step 3: Cross multiply
2,699,452,767.56x = 4,048,132,310.96 × 928,486,750.78 - Step 4: Simplify right side
2,699,452,767.56x = 3,758,637,216,130,782,720 - Step 5: Solve for x
x = 3,758,637,216,130,782,720/2,699,452,767.56 - Step 6: Final answer
x = 1,392,370,061.55
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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.