Home / 490,100,849.39-676,319,492.80-267,077,777.61

Finding the Fourth Proportional to 490,100,849.39, 676,319,492.80 and 267,077,777.61

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Solution

The fourth proportional to 490,100,849.39, 676,319,492.80 and 267,077,777.61 is: 368,556,608.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,100,849.39 : 676,319,492.80 = 267,077,777.61 : x
  2. Step 2: Convert to fraction form
    490,100,849.39/676,319,492.80 = 267,077,777.61/x
  3. Step 3: Cross multiply
    490,100,849.39x = 676,319,492.80 × 267,077,777.61
  4. Step 4: Simplify right side
    490,100,849.39x = 180,629,907,091,346,400
  5. Step 5: Solve for x
    x = 180,629,907,091,346,400/490,100,849.39
  6. Step 6: Final answer
    x = 368,556,608.94

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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.