Finding the Fourth Proportional to 782,811,366.31, 1,174,217,382.07 and 230,113,833.48
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Solution
The fourth proportional to 782,811,366.31, 1,174,217,382.07 and 230,113,833.48 is: 345,170,847.99
Step by Step Solution
- Step 1: Write the proportion equation
782,811,366.31 : 1,174,217,382.07 = 230,113,833.48 : x - Step 2: Convert to fraction form
782,811,366.31/1,174,217,382.07 = 230,113,833.48/x - Step 3: Cross multiply
782,811,366.31x = 1,174,217,382.07 × 230,113,833.48 - Step 4: Simplify right side
782,811,366.31x = 270,203,663,119,955,872 - Step 5: Solve for x
x = 270,203,663,119,955,872/782,811,366.31 - Step 6: Final answer
x = 345,170,847.99
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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.