Home / 21,853,234,945.53-32,728,216,134.49-10,668,768,579.45

Finding the Fourth Proportional to 21,853,234,945.53, 32,728,216,134.49 and 10,668,768,579.45

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Solution

The fourth proportional to 21,853,234,945.53, 32,728,216,134.49 and 10,668,768,579.45 is: 15,977,943,989.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,853,234,945.53 : 32,728,216,134.49 = 10,668,768,579.45 : x
  2. Step 2: Convert to fraction form
    21,853,234,945.53/32,728,216,134.49 = 10,668,768,579.45/x
  3. Step 3: Cross multiply
    21,853,234,945.53x = 32,728,216,134.49 × 10,668,768,579.45
  4. Step 4: Simplify right side
    21,853,234,945.53x = 349,169,763,957,074,100,224
  5. Step 5: Solve for x
    x = 349,169,763,957,074,100,224/21,853,234,945.53
  6. Step 6: Final answer
    x = 15,977,943,989.87

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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.