Home / 509,968,215.40-764,952,323.10-165,169,294.60

Finding the Fourth Proportional to 509,968,215.40, 764,952,323.10 and 165,169,294.60

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Solution

The fourth proportional to 509,968,215.40, 764,952,323.10 and 165,169,294.60 is: 247,753,941.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,968,215.40 : 764,952,323.10 = 165,169,294.60 : x
  2. Step 2: Convert to fraction form
    509,968,215.40/764,952,323.10 = 165,169,294.60/x
  3. Step 3: Cross multiply
    509,968,215.40x = 764,952,323.10 × 165,169,294.60
  4. Step 4: Simplify right side
    509,968,215.40x = 126,346,635,609,058,288
  5. Step 5: Solve for x
    x = 126,346,635,609,058,288/509,968,215.40
  6. Step 6: Final answer
    x = 247,753,941.90

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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.