Finding the Fourth Proportional to 2,529,239,791.92, 3,490,716,183.48 and 1,457,337,905.88
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Solution
The fourth proportional to 2,529,239,791.92, 3,490,716,183.48 and 1,457,337,905.88 is: 2,011,336,777.60
Step by Step Solution
- Step 1: Write the proportion equation
2,529,239,791.92 : 3,490,716,183.48 = 1,457,337,905.88 : x - Step 2: Convert to fraction form
2,529,239,791.92/3,490,716,183.48 = 1,457,337,905.88/x - Step 3: Cross multiply
2,529,239,791.92x = 3,490,716,183.48 × 1,457,337,905.88 - Step 4: Simplify right side
2,529,239,791.92x = 5,087,153,012,854,169,600 - Step 5: Solve for x
x = 5,087,153,012,854,169,600/2,529,239,791.92 - Step 6: Final answer
x = 2,011,336,777.60
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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.