Home / 668,709,493.68-1,003,184,749.44-275,166,804.36

Finding the Fourth Proportional to 668,709,493.68, 1,003,184,749.44 and 275,166,804.36

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Solution

The fourth proportional to 668,709,493.68, 1,003,184,749.44 and 275,166,804.36 is: 412,799,794.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,709,493.68 : 1,003,184,749.44 = 275,166,804.36 : x
  2. Step 2: Convert to fraction form
    668,709,493.68/1,003,184,749.44 = 275,166,804.36/x
  3. Step 3: Cross multiply
    668,709,493.68x = 1,003,184,749.44 × 275,166,804.36
  4. Step 4: Simplify right side
    668,709,493.68x = 276,043,141,686,092,128
  5. Step 5: Solve for x
    x = 276,043,141,686,092,128/668,709,493.68
  6. Step 6: Final answer
    x = 412,799,794.67

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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.