Home / 293,420,190.60-440,130,285.90-191,383,518.60

Finding the Fourth Proportional to 293,420,190.60, 440,130,285.90 and 191,383,518.60

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Solution

The fourth proportional to 293,420,190.60, 440,130,285.90 and 191,383,518.60 is: 287,075,277.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,420,190.60 : 440,130,285.90 = 191,383,518.60 : x
  2. Step 2: Convert to fraction form
    293,420,190.60/440,130,285.90 = 191,383,518.60/x
  3. Step 3: Cross multiply
    293,420,190.60x = 440,130,285.90 × 191,383,518.60
  4. Step 4: Simplify right side
    293,420,190.60x = 84,233,682,757,965,968
  5. Step 5: Solve for x
    x = 84,233,682,757,965,968/293,420,190.60
  6. Step 6: Final answer
    x = 287,075,277.90

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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.