Home / 490,100,848.89-676,319,492.11-267,077,777.11

Finding the Fourth Proportional to 490,100,848.89, 676,319,492.11 and 267,077,777.11

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Solution

The fourth proportional to 490,100,848.89, 676,319,492.11 and 267,077,777.11 is: 368,556,608.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,100,848.89 : 676,319,492.11 = 267,077,777.11 : x
  2. Step 2: Convert to fraction form
    490,100,848.89/676,319,492.11 = 267,077,777.11/x
  3. Step 3: Cross multiply
    490,100,848.89x = 676,319,492.11 × 267,077,777.11
  4. Step 4: Simplify right side
    490,100,848.89x = 180,629,906,567,046,592
  5. Step 5: Solve for x
    x = 180,629,906,567,046,592/490,100,848.89
  6. Step 6: Final answer
    x = 368,556,608.25

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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.