Home / 951,540,676.55-1,427,379,806.60-398,286,680.69

Finding the Fourth Proportional to 951,540,676.55, 1,427,379,806.60 and 398,286,680.69

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Solution

The fourth proportional to 951,540,676.55, 1,427,379,806.60 and 398,286,680.69 is: 597,458,815.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,540,676.55 : 1,427,379,806.60 = 398,286,680.69 : x
  2. Step 2: Convert to fraction form
    951,540,676.55/1,427,379,806.60 = 398,286,680.69/x
  3. Step 3: Cross multiply
    951,540,676.55x = 1,427,379,806.60 × 398,286,680.69
  4. Step 4: Simplify right side
    951,540,676.55x = 568,506,365,254,648,128
  5. Step 5: Solve for x
    x = 568,506,365,254,648,128/951,540,676.55
  6. Step 6: Final answer
    x = 597,458,815.23

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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.