Home / 378,533,428.20-567,853,286.40-119,721,661.20

Finding the Fourth Proportional to 378,533,428.20, 567,853,286.40 and 119,721,661.20

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Solution

The fourth proportional to 378,533,428.20, 567,853,286.40 and 119,721,661.20 is: 179,599,300.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,533,428.20 : 567,853,286.40 = 119,721,661.20 : x
  2. Step 2: Convert to fraction form
    378,533,428.20/567,853,286.40 = 119,721,661.20/x
  3. Step 3: Cross multiply
    378,533,428.20x = 567,853,286.40 × 119,721,661.20
  4. Step 4: Simplify right side
    378,533,428.20x = 67,984,338,765,687,368
  5. Step 5: Solve for x
    x = 67,984,338,765,687,368/378,533,428.20
  6. Step 6: Final answer
    x = 179,599,300.09

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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.