Home / 725,754,749.72-1,088,629,008.03-201,122,345.52

Finding the Fourth Proportional to 725,754,749.72, 1,088,629,008.03 and 201,122,345.52

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Solution

The fourth proportional to 725,754,749.72, 1,088,629,008.03 and 201,122,345.52 is: 301,682,654.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,754,749.72 : 1,088,629,008.03 = 201,122,345.52 : x
  2. Step 2: Convert to fraction form
    725,754,749.72/1,088,629,008.03 = 201,122,345.52/x
  3. Step 3: Cross multiply
    725,754,749.72x = 1,088,629,008.03 × 201,122,345.52
  4. Step 4: Simplify right side
    725,754,749.72x = 218,947,619,496,104,512
  5. Step 5: Solve for x
    x = 218,947,619,496,104,512/725,754,749.72
  6. Step 6: Final answer
    x = 301,682,654.62

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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.