Home / 764,113,507.40-1,146,170,261.10-327,339,864.20

Finding the Fourth Proportional to 764,113,507.40, 1,146,170,261.10 and 327,339,864.20

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Solution

The fourth proportional to 764,113,507.40, 1,146,170,261.10 and 327,339,864.20 is: 491,009,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,113,507.40 : 1,146,170,261.10 = 327,339,864.20 : x
  2. Step 2: Convert to fraction form
    764,113,507.40/1,146,170,261.10 = 327,339,864.20/x
  3. Step 3: Cross multiply
    764,113,507.40x = 1,146,170,261.10 × 327,339,864.20
  4. Step 4: Simplify right side
    764,113,507.40x = 375,187,217,618,552,512
  5. Step 5: Solve for x
    x = 375,187,217,618,552,512/764,113,507.40
  6. Step 6: Final answer
    x = 491,009,796.30

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Double scale
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Similar ratio
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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.