Home / 19,379,082,221.28-26,748,109,287.72-12,621,739,490.35

Finding the Fourth Proportional to 19,379,082,221.28, 26,748,109,287.72 and 12,621,739,490.35

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Solution

The fourth proportional to 19,379,082,221.28, 26,748,109,287.72 and 12,621,739,490.35 is: 17,421,241,286.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,379,082,221.28 : 26,748,109,287.72 = 12,621,739,490.35 : x
  2. Step 2: Convert to fraction form
    19,379,082,221.28/26,748,109,287.72 = 12,621,739,490.35/x
  3. Step 3: Cross multiply
    19,379,082,221.28x = 26,748,109,287.72 × 12,621,739,490.35
  4. Step 4: Simplify right side
    19,379,082,221.28x = 337,607,667,288,932,876,288
  5. Step 5: Solve for x
    x = 337,607,667,288,932,876,288/19,379,082,221.28
  6. Step 6: Final answer
    x = 17,421,241,286.56

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Double scale
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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.