Home / 378,584,426.80-567,876,640.20-313,961,201.20

Finding the Fourth Proportional to 378,584,426.80, 567,876,640.20 and 313,961,201.20

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Solution

The fourth proportional to 378,584,426.80, 567,876,640.20 and 313,961,201.20 is: 470,941,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,584,426.80 : 567,876,640.20 = 313,961,201.20 : x
  2. Step 2: Convert to fraction form
    378,584,426.80/567,876,640.20 = 313,961,201.20/x
  3. Step 3: Cross multiply
    378,584,426.80x = 567,876,640.20 × 313,961,201.20
  4. Step 4: Simplify right side
    378,584,426.80x = 178,291,232,090,612,224
  5. Step 5: Solve for x
    x = 178,291,232,090,612,224/378,584,426.80
  6. Step 6: Final answer
    x = 470,941,801.80

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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.