Finding the Fourth Proportional to 2,819,328,276.20, 4,228,992,414.30 and 1,717,332,218.60
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Solution
The fourth proportional to 2,819,328,276.20, 4,228,992,414.30 and 1,717,332,218.60 is: 2,575,998,327.90
Step by Step Solution
- Step 1: Write the proportion equation
2,819,328,276.20 : 4,228,992,414.30 = 1,717,332,218.60 : x - Step 2: Convert to fraction form
2,819,328,276.20/4,228,992,414.30 = 1,717,332,218.60/x - Step 3: Cross multiply
2,819,328,276.20x = 4,228,992,414.30 × 1,717,332,218.60 - Step 4: Simplify right side
2,819,328,276.20x = 7,262,584,925,292,389,376 - Step 5: Solve for x
x = 7,262,584,925,292,389,376/2,819,328,276.20 - Step 6: Final answer
x = 2,575,998,327.90
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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.