Home / 945,560,756.12-1,305,222,044.28-569,234,835.56

Finding the Fourth Proportional to 945,560,756.12, 1,305,222,044.28 and 569,234,835.56

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Solution

The fourth proportional to 945,560,756.12, 1,305,222,044.28 and 569,234,835.56 is: 785,753,692.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,560,756.12 : 1,305,222,044.28 = 569,234,835.56 : x
  2. Step 2: Convert to fraction form
    945,560,756.12/1,305,222,044.28 = 569,234,835.56/x
  3. Step 3: Cross multiply
    945,560,756.12x = 1,305,222,044.28 × 569,234,835.56
  4. Step 4: Simplify right side
    945,560,756.12x = 742,977,855,745,012,736
  5. Step 5: Solve for x
    x = 742,977,855,745,012,736/945,560,756.12
  6. Step 6: Final answer
    x = 785,753,692.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.