Home / 667,318,527.15-1,000,977,790.73-449,073,423.15

Finding the Fourth Proportional to 667,318,527.15, 1,000,977,790.73 and 449,073,423.15

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Solution

The fourth proportional to 667,318,527.15, 1,000,977,790.73 and 449,073,423.15 is: 673,610,134.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,318,527.15 : 1,000,977,790.73 = 449,073,423.15 : x
  2. Step 2: Convert to fraction form
    667,318,527.15/1,000,977,790.73 = 449,073,423.15/x
  3. Step 3: Cross multiply
    667,318,527.15x = 1,000,977,790.73 × 449,073,423.15
  4. Step 4: Simplify right side
    667,318,527.15x = 449,512,522,978,000,064
  5. Step 5: Solve for x
    x = 449,512,522,978,000,064/667,318,527.15
  6. Step 6: Final answer
    x = 673,610,134.73

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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.