Home / 20,803,214,468.70-31,204,821,703.05-13,364,741,079.90

Finding the Fourth Proportional to 20,803,214,468.70, 31,204,821,703.05 and 13,364,741,079.90

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Solution

The fourth proportional to 20,803,214,468.70, 31,204,821,703.05 and 13,364,741,079.90 is: 20,047,111,619.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,803,214,468.70 : 31,204,821,703.05 = 13,364,741,079.90 : x
  2. Step 2: Convert to fraction form
    20,803,214,468.70/31,204,821,703.05 = 13,364,741,079.90/x
  3. Step 3: Cross multiply
    20,803,214,468.70x = 31,204,821,703.05 × 13,364,741,079.90
  4. Step 4: Simplify right side
    20,803,214,468.70x = 417,044,362,505,707,388,928
  5. Step 5: Solve for x
    x = 417,044,362,505,707,388,928/20,803,214,468.70
  6. Step 6: Final answer
    x = 20,047,111,619.85

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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.