Home / 509,968,266.40-764,952,399.69-165,169,345.60

Finding the Fourth Proportional to 509,968,266.40, 764,952,399.69 and 165,169,345.60

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Solution

The fourth proportional to 509,968,266.40, 764,952,399.69 and 165,169,345.60 is: 247,754,018.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,968,266.40 : 764,952,399.69 = 165,169,345.60 : x
  2. Step 2: Convert to fraction form
    509,968,266.40/764,952,399.69 = 165,169,345.60/x
  3. Step 3: Cross multiply
    509,968,266.40x = 764,952,399.69 × 165,169,345.60
  4. Step 4: Simplify right side
    509,968,266.40x = 126,346,687,271,946,944
  5. Step 5: Solve for x
    x = 126,346,687,271,946,944/509,968,266.40
  6. Step 6: Final answer
    x = 247,754,018.43

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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.