Home / 509,964,201.40-764,946,302.10-164,952,704.20

Finding the Fourth Proportional to 509,964,201.40, 764,946,302.10 and 164,952,704.20

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Solution

The fourth proportional to 509,964,201.40, 764,946,302.10 and 164,952,704.20 is: 247,429,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,964,201.40 : 764,946,302.10 = 164,952,704.20 : x
  2. Step 2: Convert to fraction form
    509,964,201.40/764,946,302.10 = 164,952,704.20/x
  3. Step 3: Cross multiply
    509,964,201.40x = 764,946,302.10 × 164,952,704.20
  4. Step 4: Simplify right side
    509,964,201.40x = 126,179,961,099,185,136
  5. Step 5: Solve for x
    x = 126,179,961,099,185,136/509,964,201.40
  6. Step 6: Final answer
    x = 247,429,056.30

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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.