Home / 509,968,273.40-764,952,410.20-165,169,352.60

Finding the Fourth Proportional to 509,968,273.40, 764,952,410.20 and 165,169,352.60

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Solution

The fourth proportional to 509,968,273.40, 764,952,410.20 and 165,169,352.60 is: 247,754,028.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,968,273.40 : 764,952,410.20 = 165,169,352.60 : x
  2. Step 2: Convert to fraction form
    509,968,273.40/764,952,410.20 = 165,169,352.60/x
  3. Step 3: Cross multiply
    509,968,273.40x = 764,952,410.20 × 165,169,352.60
  4. Step 4: Simplify right side
    509,968,273.40x = 126,346,694,362,543,632
  5. Step 5: Solve for x
    x = 126,346,694,362,543,632/509,968,273.40
  6. Step 6: Final answer
    x = 247,754,028.93

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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.