Home / 664,303,628.45-996,455,442.68-492,116,744.45

Finding the Fourth Proportional to 664,303,628.45, 996,455,442.68 and 492,116,744.45

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Solution

The fourth proportional to 664,303,628.45, 996,455,442.68 and 492,116,744.45 is: 738,175,116.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,303,628.45 : 996,455,442.68 = 492,116,744.45 : x
  2. Step 2: Convert to fraction form
    664,303,628.45/996,455,442.68 = 492,116,744.45/x
  3. Step 3: Cross multiply
    664,303,628.45x = 996,455,442.68 × 492,116,744.45
  4. Step 4: Simplify right side
    664,303,628.45x = 490,372,408,441,165,120
  5. Step 5: Solve for x
    x = 490,372,408,441,165,120/664,303,628.45
  6. Step 6: Final answer
    x = 738,175,116.68

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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.