Home / 321,361,984.75-437,546,610.25-320,341,618.03

Finding the Fourth Proportional to 321,361,984.75, 437,546,610.25 and 320,341,618.03

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Solution

The fourth proportional to 321,361,984.75, 437,546,610.25 and 320,341,618.03 is: 436,157,342.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,361,984.75 : 437,546,610.25 = 320,341,618.03 : x
  2. Step 2: Convert to fraction form
    321,361,984.75/437,546,610.25 = 320,341,618.03/x
  3. Step 3: Cross multiply
    321,361,984.75x = 437,546,610.25 × 320,341,618.03
  4. Step 4: Simplify right side
    321,361,984.75x = 140,164,389,091,026,768
  5. Step 5: Solve for x
    x = 140,164,389,091,026,768/321,361,984.75
  6. Step 6: Final answer
    x = 436,157,342.01

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.