Home / 12,508,453,170.45-18,762,663,910.86-3,192,201,308.16

Finding the Fourth Proportional to 12,508,453,170.45, 18,762,663,910.86 and 3,192,201,308.16

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Solution

The fourth proportional to 12,508,453,170.45, 18,762,663,910.86 and 3,192,201,308.16 is: 4,788,297,918.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,508,453,170.45 : 18,762,663,910.86 = 3,192,201,308.16 : x
  2. Step 2: Convert to fraction form
    12,508,453,170.45/18,762,663,910.86 = 3,192,201,308.16/x
  3. Step 3: Cross multiply
    12,508,453,170.45x = 18,762,663,910.86 × 3,192,201,308.16
  4. Step 4: Simplify right side
    12,508,453,170.45x = 59,894,200,280,813,715,456
  5. Step 5: Solve for x
    x = 59,894,200,280,813,715,456/12,508,453,170.45
  6. Step 6: Final answer
    x = 4,788,297,918.59

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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.