Home / 1,190,799,937.21-1,786,284,936.39-317,396,730.37

Finding the Fourth Proportional to 1,190,799,937.21, 1,786,284,936.39 and 317,396,730.37

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Solution

The fourth proportional to 1,190,799,937.21, 1,786,284,936.39 and 317,396,730.37 is: 476,117,759.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,799,937.21 : 1,786,284,936.39 = 317,396,730.37 : x
  2. Step 2: Convert to fraction form
    1,190,799,937.21/1,786,284,936.39 = 317,396,730.37/x
  3. Step 3: Cross multiply
    1,190,799,937.21x = 1,786,284,936.39 × 317,396,730.37
  4. Step 4: Simplify right side
    1,190,799,937.21x = 566,960,998,319,369,472
  5. Step 5: Solve for x
    x = 566,960,998,319,369,472/1,190,799,937.21
  6. Step 6: Final answer
    x = 476,117,759.67

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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.