Home / 3,188,721,620.40-4,783,082,430.60-3,102,628,178.40

Finding the Fourth Proportional to 3,188,721,620.40, 4,783,082,430.60 and 3,102,628,178.40

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Solution

The fourth proportional to 3,188,721,620.40, 4,783,082,430.60 and 3,102,628,178.40 is: 4,653,942,267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,721,620.40 : 4,783,082,430.60 = 3,102,628,178.40 : x
  2. Step 2: Convert to fraction form
    3,188,721,620.40/4,783,082,430.60 = 3,102,628,178.40/x
  3. Step 3: Cross multiply
    3,188,721,620.40x = 4,783,082,430.60 × 3,102,628,178.40
  4. Step 4: Simplify right side
    3,188,721,620.40x = 14,840,126,328,789,524,480
  5. Step 5: Solve for x
    x = 14,840,126,328,789,524,480/3,188,721,620.40
  6. Step 6: Final answer
    x = 4,653,942,267.60

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1.5x scale

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.