Home / 781,910,059.11-1,172,296,428.26-367,173,170.56

Finding the Fourth Proportional to 781,910,059.11, 1,172,296,428.26 and 367,173,170.56

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Solution

The fourth proportional to 781,910,059.11, 1,172,296,428.26 and 367,173,170.56 is: 550,492,721.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,910,059.11 : 1,172,296,428.26 = 367,173,170.56 : x
  2. Step 2: Convert to fraction form
    781,910,059.11/1,172,296,428.26 = 367,173,170.56/x
  3. Step 3: Cross multiply
    781,910,059.11x = 1,172,296,428.26 × 367,173,170.56
  4. Step 4: Simplify right side
    781,910,059.11x = 430,435,796,395,496,896
  5. Step 5: Solve for x
    x = 430,435,796,395,496,896/781,910,059.11
  6. Step 6: Final answer
    x = 550,492,721.49

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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.