Home / 451,183,272.96-622,836,930.24-284,164,999.20

Finding the Fourth Proportional to 451,183,272.96, 622,836,930.24 and 284,164,999.20

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Solution

The fourth proportional to 451,183,272.96, 622,836,930.24 and 284,164,999.20 is: 392,276,191.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,183,272.96 : 622,836,930.24 = 284,164,999.20 : x
  2. Step 2: Convert to fraction form
    451,183,272.96/622,836,930.24 = 284,164,999.20/x
  3. Step 3: Cross multiply
    451,183,272.96x = 622,836,930.24 × 284,164,999.20
  4. Step 4: Simplify right side
    451,183,272.96x = 176,988,455,783,380,064
  5. Step 5: Solve for x
    x = 176,988,455,783,380,064/451,183,272.96
  6. Step 6: Final answer
    x = 392,276,191.05

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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.