Home / 12,919,388,149.52-17,832,072,861.24-8,414,492,995.57

Finding the Fourth Proportional to 12,919,388,149.52, 17,832,072,861.24 and 8,414,492,995.57

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Solution

The fourth proportional to 12,919,388,149.52, 17,832,072,861.24 and 8,414,492,995.57 is: 11,614,160,860.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,919,388,149.52 : 17,832,072,861.24 = 8,414,492,995.57 : x
  2. Step 2: Convert to fraction form
    12,919,388,149.52/17,832,072,861.24 = 8,414,492,995.57/x
  3. Step 3: Cross multiply
    12,919,388,149.52x = 17,832,072,861.24 × 8,414,492,995.57
  4. Step 4: Simplify right side
    12,919,388,149.52x = 150,047,852,187,308,720,128
  5. Step 5: Solve for x
    x = 150,047,852,187,308,720,128/12,919,388,149.52
  6. Step 6: Final answer
    x = 11,614,160,860.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.