Finding the Fourth Proportional to 2,125,766,543.60, 3,188,649,815.40 and 1,921,693,199.60
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Solution
The fourth proportional to 2,125,766,543.60, 3,188,649,815.40 and 1,921,693,199.60 is: 2,882,539,799.40
Step by Step Solution
- Step 1: Write the proportion equation
2,125,766,543.60 : 3,188,649,815.40 = 1,921,693,199.60 : x - Step 2: Convert to fraction form
2,125,766,543.60/3,188,649,815.40 = 1,921,693,199.60/x - Step 3: Cross multiply
2,125,766,543.60x = 3,188,649,815.40 × 1,921,693,199.60 - Step 4: Simplify right side
2,125,766,543.60x = 6,127,606,666,159,975,424 - Step 5: Solve for x
x = 6,127,606,666,159,975,424/2,125,766,543.60 - Step 6: Final answer
x = 2,882,539,799.40
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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.