Home / 320,467,593.36-480,634,128.48-90,382,869.60

Finding the Fourth Proportional to 320,467,593.36, 480,634,128.48 and 90,382,869.60

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Solution

The fourth proportional to 320,467,593.36, 480,634,128.48 and 90,382,869.60 is: 135,555,334.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,467,593.36 : 480,634,128.48 = 90,382,869.60 : x
  2. Step 2: Convert to fraction form
    320,467,593.36/480,634,128.48 = 90,382,869.60/x
  3. Step 3: Cross multiply
    320,467,593.36x = 480,634,128.48 × 90,382,869.60
  4. Step 4: Simplify right side
    320,467,593.36x = 43,441,091,759,717,488
  5. Step 5: Solve for x
    x = 43,441,091,759,717,488/320,467,593.36
  6. Step 6: Final answer
    x = 135,555,334.33

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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.