Home / 395,283,284.60-545,490,984.46-219,082,655.80

Finding the Fourth Proportional to 395,283,284.60, 545,490,984.46 and 219,082,655.80

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Solution

The fourth proportional to 395,283,284.60, 545,490,984.46 and 219,082,655.80 is: 302,334,093.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,283,284.60 : 545,490,984.46 = 219,082,655.80 : x
  2. Step 2: Convert to fraction form
    395,283,284.60/545,490,984.46 = 219,082,655.80/x
  3. Step 3: Cross multiply
    395,283,284.60x = 545,490,984.46 × 219,082,655.80
  4. Step 4: Simplify right side
    395,283,284.60x = 119,507,613,590,453,344
  5. Step 5: Solve for x
    x = 119,507,613,590,453,344/395,283,284.60
  6. Step 6: Final answer
    x = 302,334,093.66

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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.