Home / 763,436,682.36-1,143,021,495.96-412,425,216

Finding the Fourth Proportional to 763,436,682.36, 1,143,021,495.96 and 412,425,216

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Solution

The fourth proportional to 763,436,682.36, 1,143,021,495.96 and 412,425,216 is: 617,485,245.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,436,682.36 : 1,143,021,495.96 = 412,425,216 : x
  2. Step 2: Convert to fraction form
    763,436,682.36/1,143,021,495.96 = 412,425,216/x
  3. Step 3: Cross multiply
    763,436,682.36x = 1,143,021,495.96 × 412,425,216
  4. Step 4: Simplify right side
    763,436,682.36x = 471,410,887,363,946,112
  5. Step 5: Solve for x
    x = 471,410,887,363,946,112/763,436,682.36
  6. Step 6: Final answer
    x = 617,485,245.67

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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.