Home / 871,120,396.44-1,202,130,944.91-474,646,667.85

Finding the Fourth Proportional to 871,120,396.44, 1,202,130,944.91 and 474,646,667.85

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Solution

The fourth proportional to 871,120,396.44, 1,202,130,944.91 and 474,646,667.85 is: 655,004,118.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,120,396.44 : 1,202,130,944.91 = 474,646,667.85 : x
  2. Step 2: Convert to fraction form
    871,120,396.44/1,202,130,944.91 = 474,646,667.85/x
  3. Step 3: Cross multiply
    871,120,396.44x = 1,202,130,944.91 × 474,646,667.85
  4. Step 4: Simplify right side
    871,120,396.44x = 570,587,447,320,903,488
  5. Step 5: Solve for x
    x = 570,587,447,320,903,488/871,120,396.44
  6. Step 6: Final answer
    x = 655,004,118.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.