Home / 524,436,015.60-786,654,023.40-279,548,002.80

Finding the Fourth Proportional to 524,436,015.60, 786,654,023.40 and 279,548,002.80

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Solution

The fourth proportional to 524,436,015.60, 786,654,023.40 and 279,548,002.80 is: 419,322,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,436,015.60 : 786,654,023.40 = 279,548,002.80 : x
  2. Step 2: Convert to fraction form
    524,436,015.60/786,654,023.40 = 279,548,002.80/x
  3. Step 3: Cross multiply
    524,436,015.60x = 786,654,023.40 × 279,548,002.80
  4. Step 4: Simplify right side
    524,436,015.60x = 219,907,561,136,054,464
  5. Step 5: Solve for x
    x = 219,907,561,136,054,464/524,436,015.60
  6. Step 6: Final answer
    x = 419,322,004.20

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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.