Home / 404,267,256.22-557,890,494.80-218,628,271.96

Finding the Fourth Proportional to 404,267,256.22, 557,890,494.80 and 218,628,271.96

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Solution

The fourth proportional to 404,267,256.22, 557,890,494.80 and 218,628,271.96 is: 301,707,924.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,267,256.22 : 557,890,494.80 = 218,628,271.96 : x
  2. Step 2: Convert to fraction form
    404,267,256.22/557,890,494.80 = 218,628,271.96/x
  3. Step 3: Cross multiply
    404,267,256.22x = 557,890,494.80 × 218,628,271.96
  4. Step 4: Simplify right side
    404,267,256.22x = 121,970,634,821,033,360
  5. Step 5: Solve for x
    x = 121,970,634,821,033,360/404,267,256.22
  6. Step 6: Final answer
    x = 301,707,924.51

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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.