Home / 756,651,885.70-1,134,977,828.55-464,571,912.10

Finding the Fourth Proportional to 756,651,885.70, 1,134,977,828.55 and 464,571,912.10

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Solution

The fourth proportional to 756,651,885.70, 1,134,977,828.55 and 464,571,912.10 is: 696,857,868.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,651,885.70 : 1,134,977,828.55 = 464,571,912.10 : x
  2. Step 2: Convert to fraction form
    756,651,885.70/1,134,977,828.55 = 464,571,912.10/x
  3. Step 3: Cross multiply
    756,651,885.70x = 1,134,977,828.55 × 464,571,912.10
  4. Step 4: Simplify right side
    756,651,885.70x = 527,278,820,000,579,456
  5. Step 5: Solve for x
    x = 527,278,820,000,579,456/756,651,885.70
  6. Step 6: Final answer
    x = 696,857,868.15

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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.