Home / 440,665,289.84-660,974,014.20-133,933,487.96

Finding the Fourth Proportional to 440,665,289.84, 660,974,014.20 and 133,933,487.96

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Solution

The fourth proportional to 440,665,289.84, 660,974,014.20 and 133,933,487.96 is: 200,892,961.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,665,289.84 : 660,974,014.20 = 133,933,487.96 : x
  2. Step 2: Convert to fraction form
    440,665,289.84/660,974,014.20 = 133,933,487.96/x
  3. Step 3: Cross multiply
    440,665,289.84x = 660,974,014.20 × 133,933,487.96
  4. Step 4: Simplify right side
    440,665,289.84x = 88,526,555,172,728,576
  5. Step 5: Solve for x
    x = 88,526,555,172,728,576/440,665,289.84
  6. Step 6: Final answer
    x = 200,892,961.65

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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.