Home / 1,149,769,221.75-1,724,667,564.98-320,672,420.04

Finding the Fourth Proportional to 1,149,769,221.75, 1,724,667,564.98 and 320,672,420.04

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Solution

The fourth proportional to 1,149,769,221.75, 1,724,667,564.98 and 320,672,420.04 is: 481,012,460.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,769,221.75 : 1,724,667,564.98 = 320,672,420.04 : x
  2. Step 2: Convert to fraction form
    1,149,769,221.75/1,724,667,564.98 = 320,672,420.04/x
  3. Step 3: Cross multiply
    1,149,769,221.75x = 1,724,667,564.98 × 320,672,420.04
  4. Step 4: Simplify right side
    1,149,769,221.75x = 553,053,321,826,630,592
  5. Step 5: Solve for x
    x = 553,053,321,826,630,592/1,149,769,221.75
  6. Step 6: Final answer
    x = 481,012,460.04

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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.