Home / 764,113,563.40-1,146,170,345.10-327,339,920.20

Finding the Fourth Proportional to 764,113,563.40, 1,146,170,345.10 and 327,339,920.20

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Solution

The fourth proportional to 764,113,563.40, 1,146,170,345.10 and 327,339,920.20 is: 491,009,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,113,563.40 : 1,146,170,345.10 = 327,339,920.20 : x
  2. Step 2: Convert to fraction form
    764,113,563.40/1,146,170,345.10 = 327,339,920.20/x
  3. Step 3: Cross multiply
    764,113,563.40x = 1,146,170,345.10 × 327,339,920.20
  4. Step 4: Simplify right side
    764,113,563.40x = 375,187,309,300,640,448
  5. Step 5: Solve for x
    x = 375,187,309,300,640,448/764,113,563.40
  6. Step 6: Final answer
    x = 491,009,880.30

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Double scale
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Similar ratio
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1.5x scale

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.