Home / 305,086,522.20-457,629,783.30-100,603,771.80

Finding the Fourth Proportional to 305,086,522.20, 457,629,783.30 and 100,603,771.80

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Solution

The fourth proportional to 305,086,522.20, 457,629,783.30 and 100,603,771.80 is: 150,905,657.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,086,522.20 : 457,629,783.30 = 100,603,771.80 : x
  2. Step 2: Convert to fraction form
    305,086,522.20/457,629,783.30 = 100,603,771.80/x
  3. Step 3: Cross multiply
    305,086,522.20x = 457,629,783.30 × 100,603,771.80
  4. Step 4: Simplify right side
    305,086,522.20x = 46,039,282,287,996,648
  5. Step 5: Solve for x
    x = 46,039,282,287,996,648/305,086,522.20
  6. Step 6: Final answer
    x = 150,905,657.70

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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.