Home / 401,668,348.48-554,271,900.90-225,422,305

Finding the Fourth Proportional to 401,668,348.48, 554,271,900.90 and 225,422,305

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Solution

The fourth proportional to 401,668,348.48, 554,271,900.90 and 225,422,305 is: 311,065,708.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,668,348.48 : 554,271,900.90 = 225,422,305 : x
  2. Step 2: Convert to fraction form
    401,668,348.48/554,271,900.90 = 225,422,305/x
  3. Step 3: Cross multiply
    401,668,348.48x = 554,271,900.90 × 225,422,305
  4. Step 4: Simplify right side
    401,668,348.48x = 124,945,249,497,609,568
  5. Step 5: Solve for x
    x = 124,945,249,497,609,568/401,668,348.48
  6. Step 6: Final answer
    x = 311,065,708.74

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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.