Home / 509,968,383.40-764,952,575.10-165,169,462.60

Finding the Fourth Proportional to 509,968,383.40, 764,952,575.10 and 165,169,462.60

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Solution

The fourth proportional to 509,968,383.40, 764,952,575.10 and 165,169,462.60 is: 247,754,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,968,383.40 : 764,952,575.10 = 165,169,462.60 : x
  2. Step 2: Convert to fraction form
    509,968,383.40/764,952,575.10 = 165,169,462.60/x
  3. Step 3: Cross multiply
    509,968,383.40x = 764,952,575.10 × 165,169,462.60
  4. Step 4: Simplify right side
    509,968,383.40x = 126,346,805,743,753,136
  5. Step 5: Solve for x
    x = 126,346,805,743,753,136/509,968,383.40
  6. Step 6: Final answer
    x = 247,754,193.90

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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.