Home / 725,751,930.78-1,088,624,789.08-201,119,534.20

Finding the Fourth Proportional to 725,751,930.78, 1,088,624,789.08 and 201,119,534.20

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Solution

The fourth proportional to 725,751,930.78, 1,088,624,789.08 and 201,119,534.20 is: 301,678,440.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,751,930.78 : 1,088,624,789.08 = 201,119,534.20 : x
  2. Step 2: Convert to fraction form
    725,751,930.78/1,088,624,789.08 = 201,119,534.20/x
  3. Step 3: Cross multiply
    725,751,930.78x = 1,088,624,789.08 × 201,119,534.20
  4. Step 4: Simplify right side
    725,751,930.78x = 218,943,710,498,342,816
  5. Step 5: Solve for x
    x = 218,943,710,498,342,816/725,751,930.78
  6. Step 6: Final answer
    x = 301,678,440.27

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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.