Home / 15,895,150,722.78-21,934,319,648.45-8,758,165,141.68

Finding the Fourth Proportional to 15,895,150,722.78, 21,934,319,648.45 and 8,758,165,141.68

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Solution

The fourth proportional to 15,895,150,722.78, 21,934,319,648.45 and 8,758,165,141.68 is: 12,085,723,319.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,895,150,722.78 : 21,934,319,648.45 = 8,758,165,141.68 : x
  2. Step 2: Convert to fraction form
    15,895,150,722.78/21,934,319,648.45 = 8,758,165,141.68/x
  3. Step 3: Cross multiply
    15,895,150,722.78x = 21,934,319,648.45 × 8,758,165,141.68
  4. Step 4: Simplify right side
    15,895,150,722.78x = 192,104,393,751,477,714,944
  5. Step 5: Solve for x
    x = 192,104,393,751,477,714,944/15,895,150,722.78
  6. Step 6: Final answer
    x = 12,085,723,319.14

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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.