Finding the Fourth Proportional to 2,699,452,765.56, 4,048,132,307.97 and 928,486,748.78
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Solution
The fourth proportional to 2,699,452,765.56, 4,048,132,307.97 and 928,486,748.78 is: 1,392,370,058.55
Step by Step Solution
- Step 1: Write the proportion equation
2,699,452,765.56 : 4,048,132,307.97 = 928,486,748.78 : x - Step 2: Convert to fraction form
2,699,452,765.56/4,048,132,307.97 = 928,486,748.78/x - Step 3: Cross multiply
2,699,452,765.56x = 4,048,132,307.97 × 928,486,748.78 - Step 4: Simplify right side
2,699,452,765.56x = 3,758,637,205,238,102,016 - Step 5: Solve for x
x = 3,758,637,205,238,102,016/2,699,452,765.56 - Step 6: Final answer
x = 1,392,370,058.55
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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.