Home / 893,188,289.88-1,338,907,634.46-499,907,165.76

Finding the Fourth Proportional to 893,188,289.88, 1,338,907,634.46 and 499,907,165.76

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Solution

The fourth proportional to 893,188,289.88, 1,338,907,634.46 and 499,907,165.76 is: 749,371,132.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,188,289.88 : 1,338,907,634.46 = 499,907,165.76 : x
  2. Step 2: Convert to fraction form
    893,188,289.88/1,338,907,634.46 = 499,907,165.76/x
  3. Step 3: Cross multiply
    893,188,289.88x = 1,338,907,634.46 × 499,907,165.76
  4. Step 4: Simplify right side
    893,188,289.88x = 669,329,520,757,324,672
  5. Step 5: Solve for x
    x = 669,329,520,757,324,672/893,188,289.88
  6. Step 6: Final answer
    x = 749,371,132.99

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Double scale
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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.