Home / 18,222,084,837.12-27,288,987,909.48-12,610,296,899.76

Finding the Fourth Proportional to 18,222,084,837.12, 27,288,987,909.48 and 12,610,296,899.76

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Solution

The fourth proportional to 18,222,084,837.12, 27,288,987,909.48 and 12,610,296,899.76 is: 18,884,899,434.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,222,084,837.12 : 27,288,987,909.48 = 12,610,296,899.76 : x
  2. Step 2: Convert to fraction form
    18,222,084,837.12/27,288,987,909.48 = 12,610,296,899.76/x
  3. Step 3: Cross multiply
    18,222,084,837.12x = 27,288,987,909.48 × 12,610,296,899.76
  4. Step 4: Simplify right side
    18,222,084,837.12x = 344,122,239,632,503,799,808
  5. Step 5: Solve for x
    x = 344,122,239,632,503,799,808/18,222,084,837.12
  6. Step 6: Final answer
    x = 18,884,899,434.31

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1.5x scale

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.