Home / 20,045,825,998.80-30,068,738,998.20-9,025,865,422.80

Finding the Fourth Proportional to 20,045,825,998.80, 30,068,738,998.20 and 9,025,865,422.80

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Solution

The fourth proportional to 20,045,825,998.80, 30,068,738,998.20 and 9,025,865,422.80 is: 13,538,798,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045,825,998.80 : 30,068,738,998.20 = 9,025,865,422.80 : x
  2. Step 2: Convert to fraction form
    20,045,825,998.80/30,068,738,998.20 = 9,025,865,422.80/x
  3. Step 3: Cross multiply
    20,045,825,998.80x = 30,068,738,998.20 × 9,025,865,422.80
  4. Step 4: Simplify right side
    20,045,825,998.80x = 271,396,391,631,051,259,904
  5. Step 5: Solve for x
    x = 271,396,391,631,051,259,904/20,045,825,998.80
  6. Step 6: Final answer
    x = 13,538,798,134.20

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Double scale
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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.