Home / 15,895,150,733.78-21,934,319,663.60-8,758,165,152.68

Finding the Fourth Proportional to 15,895,150,733.78, 21,934,319,663.60 and 8,758,165,152.68

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Solution

The fourth proportional to 15,895,150,733.78, 21,934,319,663.60 and 8,758,165,152.68 is: 12,085,723,334.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,895,150,733.78 : 21,934,319,663.60 = 8,758,165,152.68 : x
  2. Step 2: Convert to fraction form
    15,895,150,733.78/21,934,319,663.60 = 8,758,165,152.68/x
  3. Step 3: Cross multiply
    15,895,150,733.78x = 21,934,319,663.60 × 8,758,165,152.68
  4. Step 4: Simplify right side
    15,895,150,733.78x = 192,104,394,125,485,211,648
  5. Step 5: Solve for x
    x = 192,104,394,125,485,211,648/15,895,150,733.78
  6. Step 6: Final answer
    x = 12,085,723,334.30

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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.