Finding the Fourth Proportional to 2,124,664,586.55, 3,186,996,879.83 and 744,299,733.15
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Solution
The fourth proportional to 2,124,664,586.55, 3,186,996,879.83 and 744,299,733.15 is: 1,116,449,599.73
Step by Step Solution
- Step 1: Write the proportion equation
2,124,664,586.55 : 3,186,996,879.83 = 744,299,733.15 : x - Step 2: Convert to fraction form
2,124,664,586.55/3,186,996,879.83 = 744,299,733.15/x - Step 3: Cross multiply
2,124,664,586.55x = 3,186,996,879.83 × 744,299,733.15 - Step 4: Simplify right side
2,124,664,586.55x = 2,372,080,927,207,351,296 - Step 5: Solve for x
x = 2,372,080,927,207,351,296/2,124,664,586.55 - Step 6: Final answer
x = 1,116,449,599.73
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Double scale
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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.