Home / 378,979,858.60-568,524,015.30-116,686,602.50

Finding the Fourth Proportional to 378,979,858.60, 568,524,015.30 and 116,686,602.50

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Solution

The fourth proportional to 378,979,858.60, 568,524,015.30 and 116,686,602.50 is: 175,046,600.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,979,858.60 : 568,524,015.30 = 116,686,602.50 : x
  2. Step 2: Convert to fraction form
    378,979,858.60/568,524,015.30 = 116,686,602.50/x
  3. Step 3: Cross multiply
    378,979,858.60x = 568,524,015.30 × 116,686,602.50
  4. Step 4: Simplify right side
    378,979,858.60x = 66,339,135,783,301,992
  5. Step 5: Solve for x
    x = 66,339,135,783,301,992/378,979,858.60
  6. Step 6: Final answer
    x = 175,046,600.18

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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.