Home / 764,113,600.40-1,146,170,400.60-327,339,957.20

Finding the Fourth Proportional to 764,113,600.40, 1,146,170,400.60 and 327,339,957.20

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Solution

The fourth proportional to 764,113,600.40, 1,146,170,400.60 and 327,339,957.20 is: 491,009,935.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,113,600.40 : 1,146,170,400.60 = 327,339,957.20 : x
  2. Step 2: Convert to fraction form
    764,113,600.40/1,146,170,400.60 = 327,339,957.20/x
  3. Step 3: Cross multiply
    764,113,600.40x = 1,146,170,400.60 × 327,339,957.20
  4. Step 4: Simplify right side
    764,113,600.40x = 375,187,369,876,310,784
  5. Step 5: Solve for x
    x = 375,187,369,876,310,784/764,113,600.40
  6. Step 6: Final answer
    x = 491,009,935.80

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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.