Home / 490,300,652.93-676,609,309.45-267,277,414.56

Finding the Fourth Proportional to 490,300,652.93, 676,609,309.45 and 267,277,414.56

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Solution

The fourth proportional to 490,300,652.93, 676,609,309.45 and 267,277,414.56 is: 368,839,783.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,300,652.93 : 676,609,309.45 = 267,277,414.56 : x
  2. Step 2: Convert to fraction form
    490,300,652.93/676,609,309.45 = 267,277,414.56/x
  3. Step 3: Cross multiply
    490,300,652.93x = 676,609,309.45 × 267,277,414.56
  4. Step 4: Simplify right side
    490,300,652.93x = 180,842,386,901,119,424
  5. Step 5: Solve for x
    x = 180,842,386,901,119,424/490,300,652.93
  6. Step 6: Final answer
    x = 368,839,783.96

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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.