Home / 397,919,851.20-596,667,200.40-167,628,751.20

Finding the Fourth Proportional to 397,919,851.20, 596,667,200.40 and 167,628,751.20

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Solution

The fourth proportional to 397,919,851.20, 596,667,200.40 and 167,628,751.20 is: 251,353,576.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,919,851.20 : 596,667,200.40 = 167,628,751.20 : x
  2. Step 2: Convert to fraction form
    397,919,851.20/596,667,200.40 = 167,628,751.20/x
  3. Step 3: Cross multiply
    397,919,851.20x = 596,667,200.40 × 167,628,751.20
  4. Step 4: Simplify right side
    397,919,851.20x = 100,018,577,685,052,128
  5. Step 5: Solve for x
    x = 100,018,577,685,052,128/397,919,851.20
  6. Step 6: Final answer
    x = 251,353,576.31

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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.