Finding the Fourth Proportional to 2,279,226,084.57, 3,145,430,299.77 and 1,261,951,505.46
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Solution
The fourth proportional to 2,279,226,084.57, 3,145,430,299.77 and 1,261,951,505.46 is: 1,741,547,505.53
Step by Step Solution
- Step 1: Write the proportion equation
2,279,226,084.57 : 3,145,430,299.77 = 1,261,951,505.46 : x - Step 2: Convert to fraction form
2,279,226,084.57/3,145,430,299.77 = 1,261,951,505.46/x - Step 3: Cross multiply
2,279,226,084.57x = 3,145,430,299.77 × 1,261,951,505.46 - Step 4: Simplify right side
2,279,226,084.57x = 3,969,380,502,114,250,752 - Step 5: Solve for x
x = 3,969,380,502,114,250,752/2,279,226,084.57 - Step 6: Final answer
x = 1,741,547,505.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.