Home / 20,657,942,797.14-30,998,722,316.58-11,215,354,379.49

Finding the Fourth Proportional to 20,657,942,797.14, 30,998,722,316.58 and 11,215,354,379.49

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Solution

The fourth proportional to 20,657,942,797.14, 30,998,722,316.58 and 11,215,354,379.49 is: 16,829,442,287.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,657,942,797.14 : 30,998,722,316.58 = 11,215,354,379.49 : x
  2. Step 2: Convert to fraction form
    20,657,942,797.14/30,998,722,316.58 = 11,215,354,379.49/x
  3. Step 3: Cross multiply
    20,657,942,797.14x = 30,998,722,316.58 × 11,215,354,379.49
  4. Step 4: Simplify right side
    20,657,942,797.14x = 347,661,656,091,849,916,416
  5. Step 5: Solve for x
    x = 347,661,656,091,849,916,416/20,657,942,797.14
  6. Step 6: Final answer
    x = 16,829,442,287.93

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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.