Home / 401,668,344.98-554,271,896.07-225,422,301.50

Finding the Fourth Proportional to 401,668,344.98, 554,271,896.07 and 225,422,301.50

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Solution

The fourth proportional to 401,668,344.98, 554,271,896.07 and 225,422,301.50 is: 311,065,703.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,668,344.98 : 554,271,896.07 = 225,422,301.50 : x
  2. Step 2: Convert to fraction form
    401,668,344.98/554,271,896.07 = 225,422,301.50/x
  3. Step 3: Cross multiply
    401,668,344.98x = 554,271,896.07 × 225,422,301.50
  4. Step 4: Simplify right side
    401,668,344.98x = 124,945,246,468,868,224
  5. Step 5: Solve for x
    x = 124,945,246,468,868,224/401,668,344.98
  6. Step 6: Final answer
    x = 311,065,703.91

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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.