Home / 764,113,554.40-1,146,170,331.60-327,339,911.20

Finding the Fourth Proportional to 764,113,554.40, 1,146,170,331.60 and 327,339,911.20

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Solution

The fourth proportional to 764,113,554.40, 1,146,170,331.60 and 327,339,911.20 is: 491,009,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,113,554.40 : 1,146,170,331.60 = 327,339,911.20 : x
  2. Step 2: Convert to fraction form
    764,113,554.40/1,146,170,331.60 = 327,339,911.20/x
  3. Step 3: Cross multiply
    764,113,554.40x = 1,146,170,331.60 × 327,339,911.20
  4. Step 4: Simplify right side
    764,113,554.40x = 375,187,294,566,018,496
  5. Step 5: Solve for x
    x = 375,187,294,566,018,496/764,113,554.40
  6. Step 6: Final answer
    x = 491,009,866.80

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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.