Home / 509,964,114.40-764,946,171.60-164,952,617.20

Finding the Fourth Proportional to 509,964,114.40, 764,946,171.60 and 164,952,617.20

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Solution

The fourth proportional to 509,964,114.40, 764,946,171.60 and 164,952,617.20 is: 247,428,925.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,964,114.40 : 764,946,171.60 = 164,952,617.20 : x
  2. Step 2: Convert to fraction form
    509,964,114.40/764,946,171.60 = 164,952,617.20/x
  3. Step 3: Cross multiply
    509,964,114.40x = 764,946,171.60 × 164,952,617.20
  4. Step 4: Simplify right side
    509,964,114.40x = 126,179,873,022,540,304
  5. Step 5: Solve for x
    x = 126,179,873,022,540,304/509,964,114.40
  6. Step 6: Final answer
    x = 247,428,925.80

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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.