Home / 382,952,786.20-574,429,179.30-314,928,338.20

Finding the Fourth Proportional to 382,952,786.20, 574,429,179.30 and 314,928,338.20

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Solution

The fourth proportional to 382,952,786.20, 574,429,179.30 and 314,928,338.20 is: 472,392,507.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,952,786.20 : 574,429,179.30 = 314,928,338.20 : x
  2. Step 2: Convert to fraction form
    382,952,786.20/574,429,179.30 = 314,928,338.20/x
  3. Step 3: Cross multiply
    382,952,786.20x = 574,429,179.30 × 314,928,338.20
  4. Step 4: Simplify right side
    382,952,786.20x = 180,904,026,850,538,816
  5. Step 5: Solve for x
    x = 180,904,026,850,538,816/382,952,786.20
  6. Step 6: Final answer
    x = 472,392,507.30

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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.