Home / 2,072,507,421.72-3,110,159,920.20-811,815,163.24

Finding the Fourth Proportional to 2,072,507,421.72, 3,110,159,920.20 and 811,815,163.24

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Solution

The fourth proportional to 2,072,507,421.72, 3,110,159,920.20 and 811,815,163.24 is: 1,218,270,659.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,507,421.72 : 3,110,159,920.20 = 811,815,163.24 : x
  2. Step 2: Convert to fraction form
    2,072,507,421.72/3,110,159,920.20 = 811,815,163.24/x
  3. Step 3: Cross multiply
    2,072,507,421.72x = 3,110,159,920.20 × 811,815,163.24
  4. Step 4: Simplify right side
    2,072,507,421.72x = 2,524,874,983,319,668,224
  5. Step 5: Solve for x
    x = 2,524,874,983,319,668,224/2,072,507,421.72
  6. Step 6: Final answer
    x = 1,218,270,659.42

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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.