Home / 194,621,519,581.24-291,639,109,856.03-173,411,953,189.21

Finding the Fourth Proportional to 194,621,519,581.24, 291,639,109,856.03 and 173,411,953,189.21

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Solution

The fourth proportional to 194,621,519,581.24, 291,639,109,856.03 and 173,411,953,189.21 is: 259,856,709,449.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,621,519,581.24 : 291,639,109,856.03 = 173,411,953,189.21 : x
  2. Step 2: Convert to fraction form
    194,621,519,581.24/291,639,109,856.03 = 173,411,953,189.21/x
  3. Step 3: Cross multiply
    194,621,519,581.24x = 291,639,109,856.03 × 173,411,953,189.21
  4. Step 4: Simplify right side
    194,621,519,581.24x = 50,573,707,666,496,753,238,016
  5. Step 5: Solve for x
    x = 50,573,707,666,496,753,238,016/194,621,519,581.24
  6. Step 6: Final answer
    x = 259,856,709,449.78

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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.