Finding the Fourth Proportional to 396,576,965.70, 594,865,448.55 and 396,576,965.70
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Solution
The fourth proportional to 396,576,965.70, 594,865,448.55 and 396,576,965.70 is: 594,865,448.55
Step by Step Solution
- Step 1: Write the proportion equation
396,576,965.70 : 594,865,448.55 = 396,576,965.70 : x - Step 2: Convert to fraction form
396,576,965.70/594,865,448.55 = 396,576,965.70/x - Step 3: Cross multiply
396,576,965.70x = 594,865,448.55 × 396,576,965.70 - Step 4: Simplify right side
396,576,965.70x = 235,909,934,585,728,448 - Step 5: Solve for x
x = 235,909,934,585,728,448/396,576,965.70 - Step 6: Final answer
x = 594,865,448.55
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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.