Home / 490,300,656.94-676,609,314.96-267,277,418.56

Finding the Fourth Proportional to 490,300,656.94, 676,609,314.96 and 267,277,418.56

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Solution

The fourth proportional to 490,300,656.94, 676,609,314.96 and 267,277,418.56 is: 368,839,789.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,300,656.94 : 676,609,314.96 = 267,277,418.56 : x
  2. Step 2: Convert to fraction form
    490,300,656.94/676,609,314.96 = 267,277,418.56/x
  3. Step 3: Cross multiply
    490,300,656.94x = 676,609,314.96 × 267,277,418.56
  4. Step 4: Simplify right side
    490,300,656.94x = 180,842,391,076,158,816
  5. Step 5: Solve for x
    x = 180,842,391,076,158,816/490,300,656.94
  6. Step 6: Final answer
    x = 368,839,789.46

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1.5x scale

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.