Finding the Fourth Proportional to 2,125,766,276.40, 3,188,649,414.60 and 2,048,282,178.60
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Solution
The fourth proportional to 2,125,766,276.40, 3,188,649,414.60 and 2,048,282,178.60 is: 3,072,423,267.90
Step by Step Solution
- Step 1: Write the proportion equation
2,125,766,276.40 : 3,188,649,414.60 = 2,048,282,178.60 : x - Step 2: Convert to fraction form
2,125,766,276.40/3,188,649,414.60 = 2,048,282,178.60/x - Step 3: Cross multiply
2,125,766,276.40x = 3,188,649,414.60 × 2,048,282,178.60 - Step 4: Simplify right side
2,125,766,276.40x = 6,531,253,769,728,501,760 - Step 5: Solve for x
x = 6,531,253,769,728,501,760/2,125,766,276.40 - Step 6: Final answer
x = 3,072,423,267.90
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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.