Home / 725,751,928.77-1,088,624,786.09-201,119,532.20

Finding the Fourth Proportional to 725,751,928.77, 1,088,624,786.09 and 201,119,532.20

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Solution

The fourth proportional to 725,751,928.77, 1,088,624,786.09 and 201,119,532.20 is: 301,678,437.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,751,928.77 : 1,088,624,786.09 = 201,119,532.20 : x
  2. Step 2: Convert to fraction form
    725,751,928.77/1,088,624,786.09 = 201,119,532.20/x
  3. Step 3: Cross multiply
    725,751,928.77x = 1,088,624,786.09 × 201,119,532.20
  4. Step 4: Simplify right side
    725,751,928.77x = 218,943,707,721,461,824
  5. Step 5: Solve for x
    x = 218,943,707,721,461,824/725,751,928.77
  6. Step 6: Final answer
    x = 301,678,437.28

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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.