Home / 764,113,534.40-1,146,170,301.60-327,339,891.20

Finding the Fourth Proportional to 764,113,534.40, 1,146,170,301.60 and 327,339,891.20

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Solution

The fourth proportional to 764,113,534.40, 1,146,170,301.60 and 327,339,891.20 is: 491,009,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,113,534.40 : 1,146,170,301.60 = 327,339,891.20 : x
  2. Step 2: Convert to fraction form
    764,113,534.40/1,146,170,301.60 = 327,339,891.20/x
  3. Step 3: Cross multiply
    764,113,534.40x = 1,146,170,301.60 × 327,339,891.20
  4. Step 4: Simplify right side
    764,113,534.40x = 375,187,261,822,415,168
  5. Step 5: Solve for x
    x = 375,187,261,822,415,168/764,113,534.40
  6. Step 6: Final answer
    x = 491,009,836.80

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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.