Finding the Fourth Proportional to 2,529,239,786.92, 3,490,716,176.58 and 1,457,337,900.88
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Solution
The fourth proportional to 2,529,239,786.92, 3,490,716,176.58 and 1,457,337,900.88 is: 2,011,336,770.70
Step by Step Solution
- Step 1: Write the proportion equation
2,529,239,786.92 : 3,490,716,176.58 = 1,457,337,900.88 : x - Step 2: Convert to fraction form
2,529,239,786.92/3,490,716,176.58 = 1,457,337,900.88/x - Step 3: Cross multiply
2,529,239,786.92x = 3,490,716,176.58 × 1,457,337,900.88 - Step 4: Simplify right side
2,529,239,786.92x = 5,087,152,985,344,956,416 - Step 5: Solve for x
x = 5,087,152,985,344,956,416/2,529,239,786.92 - Step 6: Final answer
x = 2,011,336,770.70
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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.