Home / 509,964,334.40-764,946,501.60-164,952,837.20

Finding the Fourth Proportional to 509,964,334.40, 764,946,501.60 and 164,952,837.20

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Solution

The fourth proportional to 509,964,334.40, 764,946,501.60 and 164,952,837.20 is: 247,429,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,964,334.40 : 764,946,501.60 = 164,952,837.20 : x
  2. Step 2: Convert to fraction form
    509,964,334.40/764,946,501.60 = 164,952,837.20/x
  3. Step 3: Cross multiply
    509,964,334.40x = 764,946,501.60 × 164,952,837.20
  4. Step 4: Simplify right side
    509,964,334.40x = 126,180,095,745,134,336
  5. Step 5: Solve for x
    x = 126,180,095,745,134,336/509,964,334.40
  6. Step 6: Final answer
    x = 247,429,255.80

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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.