Finding the Fourth Proportional to 2,125,766,548.10, 3,188,649,822.15 and 1,921,693,204.10
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Solution
The fourth proportional to 2,125,766,548.10, 3,188,649,822.15 and 1,921,693,204.10 is: 2,882,539,806.15
Step by Step Solution
- Step 1: Write the proportion equation
2,125,766,548.10 : 3,188,649,822.15 = 1,921,693,204.10 : x - Step 2: Convert to fraction form
2,125,766,548.10/3,188,649,822.15 = 1,921,693,204.10/x - Step 3: Cross multiply
2,125,766,548.10x = 3,188,649,822.15 × 1,921,693,204.10 - Step 4: Simplify right side
2,125,766,548.10x = 6,127,606,693,480,328,192 - Step 5: Solve for x
x = 6,127,606,693,480,328,192/2,125,766,548.10 - Step 6: Final answer
x = 2,882,539,806.15
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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.