Home / 378,185,789.84-567,113,930.73-200,884,131.68

Finding the Fourth Proportional to 378,185,789.84, 567,113,930.73 and 200,884,131.68

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Solution

The fourth proportional to 378,185,789.84, 567,113,930.73 and 200,884,131.68 is: 301,238,683.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,185,789.84 : 567,113,930.73 = 200,884,131.68 : x
  2. Step 2: Convert to fraction form
    378,185,789.84/567,113,930.73 = 200,884,131.68/x
  3. Step 3: Cross multiply
    378,185,789.84x = 567,113,930.73 × 200,884,131.68
  4. Step 4: Simplify right side
    378,185,789.84x = 113,924,189,535,492,160
  5. Step 5: Solve for x
    x = 113,924,189,535,492,160/378,185,789.84
  6. Step 6: Final answer
    x = 301,238,683.73

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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.