Finding the Fourth Proportional to 883,103,840.80, 1,324,655,761.20 and 537,879,767.20
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Solution
The fourth proportional to 883,103,840.80, 1,324,655,761.20 and 537,879,767.20 is: 806,819,650.80
Step by Step Solution
- Step 1: Write the proportion equation
883,103,840.80 : 1,324,655,761.20 = 537,879,767.20 : x - Step 2: Convert to fraction form
883,103,840.80/1,324,655,761.20 = 537,879,767.20/x - Step 3: Cross multiply
883,103,840.80x = 1,324,655,761.20 × 537,879,767.20 - Step 4: Simplify right side
883,103,840.80x = 712,505,532,454,394,880 - Step 5: Solve for x
x = 712,505,532,454,394,880/883,103,840.80 - Step 6: Final answer
x = 806,819,650.80
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1.5x scale
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.