Home / 12,201,397,540.14-18,309,157,336.26-5,118,246,046.79

Finding the Fourth Proportional to 12,201,397,540.14, 18,309,157,336.26 and 5,118,246,046.79

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Solution

The fourth proportional to 12,201,397,540.14, 18,309,157,336.26 and 5,118,246,046.79 is: 7,680,331,031.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201,397,540.14 : 18,309,157,336.26 = 5,118,246,046.79 : x
  2. Step 2: Convert to fraction form
    12,201,397,540.14/18,309,157,336.26 = 5,118,246,046.79/x
  3. Step 3: Cross multiply
    12,201,397,540.14x = 18,309,157,336.26 × 5,118,246,046.79
  4. Step 4: Simplify right side
    12,201,397,540.14x = 93,710,772,156,277,309,440
  5. Step 5: Solve for x
    x = 93,710,772,156,277,309,440/12,201,397,540.14
  6. Step 6: Final answer
    x = 7,680,331,031.59

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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.