Home / 416,951,146.40-625,431,534.60-125,820,790.88

Finding the Fourth Proportional to 416,951,146.40, 625,431,534.60 and 125,820,790.88

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Solution

The fourth proportional to 416,951,146.40, 625,431,534.60 and 125,820,790.88 is: 188,732,639.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,951,146.40 : 625,431,534.60 = 125,820,790.88 : x
  2. Step 2: Convert to fraction form
    416,951,146.40/625,431,534.60 = 125,820,790.88/x
  3. Step 3: Cross multiply
    416,951,146.40x = 625,431,534.60 × 125,820,790.88
  4. Step 4: Simplify right side
    416,951,146.40x = 78,692,290,324,664,080
  5. Step 5: Solve for x
    x = 78,692,290,324,664,080/416,951,146.40
  6. Step 6: Final answer
    x = 188,732,639.31

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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.