Home / 521,520,783,622.05-782,281,175,433.05-149,291,004,166.05

Finding the Fourth Proportional to 521,520,783,622.05, 782,281,175,433.05 and 149,291,004,166.05

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Solution

The fourth proportional to 521,520,783,622.05, 782,281,175,433.05 and 149,291,004,166.05 is: 223,936,506,249.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,783,622.05 : 782,281,175,433.05 = 149,291,004,166.05 : x
  2. Step 2: Convert to fraction form
    521,520,783,622.05/782,281,175,433.05 = 149,291,004,166.05/x
  3. Step 3: Cross multiply
    521,520,783,622.05x = 782,281,175,433.05 × 149,291,004,166.05
  4. Step 4: Simplify right side
    521,520,783,622.05x = 116,787,542,220,597,956,182,016
  5. Step 5: Solve for x
    x = 116,787,542,220,597,956,182,016/521,520,783,622.05
  6. Step 6: Final answer
    x = 223,936,506,249.07

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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.