Finding the Fourth Proportional to 929,667,775.14, 1,394,685,526.56 and 265,687,751.70
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Solution
The fourth proportional to 929,667,775.14, 1,394,685,526.56 and 265,687,751.70 is: 398,584,173.60
Step by Step Solution
- Step 1: Write the proportion equation
929,667,775.14 : 1,394,685,526.56 = 265,687,751.70 : x - Step 2: Convert to fraction form
929,667,775.14/1,394,685,526.56 = 265,687,751.70/x - Step 3: Cross multiply
929,667,775.14x = 1,394,685,526.56 × 265,687,751.70 - Step 4: Simplify right side
929,667,775.14x = 370,550,861,880,257,024 - Step 5: Solve for x
x = 370,550,861,880,257,024/929,667,775.14 - Step 6: Final answer
x = 398,584,173.60
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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.