Home / 13,287,525,556.38-18,328,145,201.72-8,522,253,541.68

Finding the Fourth Proportional to 13,287,525,556.38, 18,328,145,201.72 and 8,522,253,541.68

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Solution

The fourth proportional to 13,287,525,556.38, 18,328,145,201.72 and 8,522,253,541.68 is: 11,755,168,386.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,525,556.38 : 18,328,145,201.72 = 8,522,253,541.68 : x
  2. Step 2: Convert to fraction form
    13,287,525,556.38/18,328,145,201.72 = 8,522,253,541.68/x
  3. Step 3: Cross multiply
    13,287,525,556.38x = 18,328,145,201.72 × 8,522,253,541.68
  4. Step 4: Simplify right side
    13,287,525,556.38x = 156,197,100,357,649,334,272
  5. Step 5: Solve for x
    x = 156,197,100,357,649,334,272/13,287,525,556.38
  6. Step 6: Final answer
    x = 11,755,168,386.69

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1.5x scale

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.