Home / 20,498,969,442.96-30,740,504,720.40-7,050,696,253.02

Finding the Fourth Proportional to 20,498,969,442.96, 30,740,504,720.40 and 7,050,696,253.02

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Solution

The fourth proportional to 20,498,969,442.96, 30,740,504,720.40 and 7,050,696,253.02 is: 10,573,310,138.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,498,969,442.96 : 30,740,504,720.40 = 7,050,696,253.02 : x
  2. Step 2: Convert to fraction form
    20,498,969,442.96/30,740,504,720.40 = 7,050,696,253.02/x
  3. Step 3: Cross multiply
    20,498,969,442.96x = 30,740,504,720.40 × 7,050,696,253.02
  4. Step 4: Simplify right side
    20,498,969,442.96x = 216,741,961,448,067,923,968
  5. Step 5: Solve for x
    x = 216,741,961,448,067,923,968/20,498,969,442.96
  6. Step 6: Final answer
    x = 10,573,310,138.89

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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.