Home / 18,322,480,455.39-27,432,516,021.17-9,898,205,262.75

Finding the Fourth Proportional to 18,322,480,455.39, 27,432,516,021.17 and 9,898,205,262.75

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Solution

The fourth proportional to 18,322,480,455.39, 27,432,516,021.17 and 9,898,205,262.75 is: 14,819,646,014.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,322,480,455.39 : 27,432,516,021.17 = 9,898,205,262.75 : x
  2. Step 2: Convert to fraction form
    18,322,480,455.39/27,432,516,021.17 = 9,898,205,262.75/x
  3. Step 3: Cross multiply
    18,322,480,455.39x = 27,432,516,021.17 × 9,898,205,262.75
  4. Step 4: Simplify right side
    18,322,480,455.39x = 271,532,674,451,169,116,160
  5. Step 5: Solve for x
    x = 271,532,674,451,169,116,160/18,322,480,455.39
  6. Step 6: Final answer
    x = 14,819,646,014.21

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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.