Home / 378,096,542.40-567,144,813.60-355,138,291.20

Finding the Fourth Proportional to 378,096,542.40, 567,144,813.60 and 355,138,291.20

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Solution

The fourth proportional to 378,096,542.40, 567,144,813.60 and 355,138,291.20 is: 532,707,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,096,542.40 : 567,144,813.60 = 355,138,291.20 : x
  2. Step 2: Convert to fraction form
    378,096,542.40/567,144,813.60 = 355,138,291.20/x
  3. Step 3: Cross multiply
    378,096,542.40x = 567,144,813.60 × 355,138,291.20
  4. Step 4: Simplify right side
    378,096,542.40x = 201,414,839,964,846,528
  5. Step 5: Solve for x
    x = 201,414,839,964,846,528/378,096,542.40
  6. Step 6: Final answer
    x = 532,707,436.80

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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.