Home / 574,721,421.60-862,082,132.40-165,790,912.80

Finding the Fourth Proportional to 574,721,421.60, 862,082,132.40 and 165,790,912.80

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Solution

The fourth proportional to 574,721,421.60, 862,082,132.40 and 165,790,912.80 is: 248,686,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,721,421.60 : 862,082,132.40 = 165,790,912.80 : x
  2. Step 2: Convert to fraction form
    574,721,421.60/862,082,132.40 = 165,790,912.80/x
  3. Step 3: Cross multiply
    574,721,421.60x = 862,082,132.40 × 165,790,912.80
  4. Step 4: Simplify right side
    574,721,421.60x = 142,925,383,639,166,464
  5. Step 5: Solve for x
    x = 142,925,383,639,166,464/574,721,421.60
  6. Step 6: Final answer
    x = 248,686,369.20

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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.