Home / 383,818,982.20-575,728,473.30-314,944,228.60

Finding the Fourth Proportional to 383,818,982.20, 575,728,473.30 and 314,944,228.60

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Solution

The fourth proportional to 383,818,982.20, 575,728,473.30 and 314,944,228.60 is: 472,416,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,818,982.20 : 575,728,473.30 = 314,944,228.60 : x
  2. Step 2: Convert to fraction form
    383,818,982.20/575,728,473.30 = 314,944,228.60/x
  3. Step 3: Cross multiply
    383,818,982.20x = 575,728,473.30 × 314,944,228.60
  4. Step 4: Simplify right side
    383,818,982.20x = 181,322,359,906,524,192
  5. Step 5: Solve for x
    x = 181,322,359,906,524,192/383,818,982.20
  6. Step 6: Final answer
    x = 472,416,342.90

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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.