Home / 5,425,900,458.30-8,138,850,687.45-1,745,405,812.80

Finding the Fourth Proportional to 5,425,900,458.30, 8,138,850,687.45 and 1,745,405,812.80

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Solution

The fourth proportional to 5,425,900,458.30, 8,138,850,687.45 and 1,745,405,812.80 is: 2,618,108,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425,900,458.30 : 8,138,850,687.45 = 1,745,405,812.80 : x
  2. Step 2: Convert to fraction form
    5,425,900,458.30/8,138,850,687.45 = 1,745,405,812.80/x
  3. Step 3: Cross multiply
    5,425,900,458.30x = 8,138,850,687.45 × 1,745,405,812.80
  4. Step 4: Simplify right side
    5,425,900,458.30x = 14,205,597,299,386,505,216
  5. Step 5: Solve for x
    x = 14,205,597,299,386,505,216/5,425,900,458.30
  6. Step 6: Final answer
    x = 2,618,108,719.20

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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.