Home / 12,381,616,946.72-18,571,906,655.45-3,987,336,774.48

Finding the Fourth Proportional to 12,381,616,946.72, 18,571,906,655.45 and 3,987,336,774.48

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Solution

The fourth proportional to 12,381,616,946.72, 18,571,906,655.45 and 3,987,336,774.48 is: 5,980,838,100.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,381,616,946.72 : 18,571,906,655.45 = 3,987,336,774.48 : x
  2. Step 2: Convert to fraction form
    12,381,616,946.72/18,571,906,655.45 = 3,987,336,774.48/x
  3. Step 3: Cross multiply
    12,381,616,946.72x = 18,571,906,655.45 × 3,987,336,774.48
  4. Step 4: Simplify right side
    12,381,616,946.72x = 74,052,446,379,412,946,944
  5. Step 5: Solve for x
    x = 74,052,446,379,412,946,944/12,381,616,946.72
  6. Step 6: Final answer
    x = 5,980,838,100.39

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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.