Home / 485,187,647.15-727,522,531.61-251,783,348.54

Finding the Fourth Proportional to 485,187,647.15, 727,522,531.61 and 251,783,348.54

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Solution

The fourth proportional to 485,187,647.15, 727,522,531.61 and 251,783,348.54 is: 377,540,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,187,647.15 : 727,522,531.61 = 251,783,348.54 : x
  2. Step 2: Convert to fraction form
    485,187,647.15/727,522,531.61 = 251,783,348.54/x
  3. Step 3: Cross multiply
    485,187,647.15x = 727,522,531.61 × 251,783,348.54
  4. Step 4: Simplify right side
    485,187,647.15x = 183,178,059,142,167,264
  5. Step 5: Solve for x
    x = 183,178,059,142,167,264/485,187,647.15
  6. Step 6: Final answer
    x = 377,540,648.90

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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.