Home / 18,562,065,234.32-27,845,090,378.66-7,939,392,781.97

Finding the Fourth Proportional to 18,562,065,234.32, 27,845,090,378.66 and 7,939,392,781.97

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Solution

The fourth proportional to 18,562,065,234.32, 27,845,090,378.66 and 7,939,392,781.97 is: 11,909,941,419.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,562,065,234.32 : 27,845,090,378.66 = 7,939,392,781.97 : x
  2. Step 2: Convert to fraction form
    18,562,065,234.32/27,845,090,378.66 = 7,939,392,781.97/x
  3. Step 3: Cross multiply
    18,562,065,234.32x = 27,845,090,378.66 × 7,939,392,781.97
  4. Step 4: Simplify right side
    18,562,065,234.32x = 221,073,109,565,635,493,888
  5. Step 5: Solve for x
    x = 221,073,109,565,635,493,888/18,562,065,234.32
  6. Step 6: Final answer
    x = 11,909,941,419.50

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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.