Home / 378,434,667.40-567,652,001.10-337,619,998.60

Finding the Fourth Proportional to 378,434,667.40, 567,652,001.10 and 337,619,998.60

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Solution

The fourth proportional to 378,434,667.40, 567,652,001.10 and 337,619,998.60 is: 506,429,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,434,667.40 : 567,652,001.10 = 337,619,998.60 : x
  2. Step 2: Convert to fraction form
    378,434,667.40/567,652,001.10 = 337,619,998.60/x
  3. Step 3: Cross multiply
    378,434,667.40x = 567,652,001.10 × 337,619,998.60
  4. Step 4: Simplify right side
    378,434,667.40x = 191,650,667,816,669,216
  5. Step 5: Solve for x
    x = 191,650,667,816,669,216/378,434,667.40
  6. Step 6: Final answer
    x = 506,429,997.90

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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.