Home / 764,113,584.40-1,146,170,376.60-327,339,941.20

Finding the Fourth Proportional to 764,113,584.40, 1,146,170,376.60 and 327,339,941.20

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Solution

The fourth proportional to 764,113,584.40, 1,146,170,376.60 and 327,339,941.20 is: 491,009,911.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,113,584.40 : 1,146,170,376.60 = 327,339,941.20 : x
  2. Step 2: Convert to fraction form
    764,113,584.40/1,146,170,376.60 = 327,339,941.20/x
  3. Step 3: Cross multiply
    764,113,584.40x = 1,146,170,376.60 × 327,339,941.20
  4. Step 4: Simplify right side
    764,113,584.40x = 375,187,343,681,425,792
  5. Step 5: Solve for x
    x = 375,187,343,681,425,792/764,113,584.40
  6. Step 6: Final answer
    x = 491,009,911.80

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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.