Home / 485,187,659.34-727,522,549.86-251,783,360.76

Finding the Fourth Proportional to 485,187,659.34, 727,522,549.86 and 251,783,360.76

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Solution

The fourth proportional to 485,187,659.34, 727,522,549.86 and 251,783,360.76 is: 377,540,667.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,187,659.34 : 727,522,549.86 = 251,783,360.76 : x
  2. Step 2: Convert to fraction form
    485,187,659.34/727,522,549.86 = 251,783,360.76/x
  3. Step 3: Cross multiply
    485,187,659.34x = 727,522,549.86 × 251,783,360.76
  4. Step 4: Simplify right side
    485,187,659.34x = 183,178,072,632,435,456
  5. Step 5: Solve for x
    x = 183,178,072,632,435,456/485,187,659.34
  6. Step 6: Final answer
    x = 377,540,667.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.