Home / 20,028,486,402.45-30,036,351,164.72-6,579,648,564.21

Finding the Fourth Proportional to 20,028,486,402.45, 30,036,351,164.72 and 6,579,648,564.21

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Solution

The fourth proportional to 20,028,486,402.45, 30,036,351,164.72 and 6,579,648,564.21 is: 9,867,377,436.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,028,486,402.45 : 30,036,351,164.72 = 6,579,648,564.21 : x
  2. Step 2: Convert to fraction form
    20,028,486,402.45/30,036,351,164.72 = 6,579,648,564.21/x
  3. Step 3: Cross multiply
    20,028,486,402.45x = 30,036,351,164.72 × 6,579,648,564.21
  4. Step 4: Simplify right side
    20,028,486,402.45x = 197,628,634,815,024,398,336
  5. Step 5: Solve for x
    x = 197,628,634,815,024,398,336/20,028,486,402.45
  6. Step 6: Final answer
    x = 9,867,377,436.51

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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.