Finding the Fourth Proportional to 472,396,247.70, 708,594,371.55 and 455,177,559.30
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Solution
The fourth proportional to 472,396,247.70, 708,594,371.55 and 455,177,559.30 is: 682,766,338.95
Step by Step Solution
- Step 1: Write the proportion equation
472,396,247.70 : 708,594,371.55 = 455,177,559.30 : x - Step 2: Convert to fraction form
472,396,247.70/708,594,371.55 = 455,177,559.30/x - Step 3: Cross multiply
472,396,247.70x = 708,594,371.55 × 455,177,559.30 - Step 4: Simplify right side
472,396,247.70x = 322,536,256,575,846,336 - Step 5: Solve for x
x = 322,536,256,575,846,336/472,396,247.70 - Step 6: Final answer
x = 682,766,338.95
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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.