Home / 519,481,270.15-780,465,016.28-333,100,375.36

Finding the Fourth Proportional to 519,481,270.15, 780,465,016.28 and 333,100,375.36

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Solution

The fourth proportional to 519,481,270.15, 780,465,016.28 and 333,100,375.36 is: 500,447,667.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,481,270.15 : 780,465,016.28 = 333,100,375.36 : x
  2. Step 2: Convert to fraction form
    519,481,270.15/780,465,016.28 = 333,100,375.36/x
  3. Step 3: Cross multiply
    519,481,270.15x = 780,465,016.28 × 333,100,375.36
  4. Step 4: Simplify right side
    519,481,270.15x = 259,973,189,878,216,512
  5. Step 5: Solve for x
    x = 259,973,189,878,216,512/519,481,270.15
  6. Step 6: Final answer
    x = 500,447,667.35

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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.