Home / 398,212,291.76-597,532,589.40-383,717,993

Finding the Fourth Proportional to 398,212,291.76, 597,532,589.40 and 383,717,993

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Solution

The fourth proportional to 398,212,291.76, 597,532,589.40 and 383,717,993 is: 575,783,346.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,212,291.76 : 597,532,589.40 = 383,717,993 : x
  2. Step 2: Convert to fraction form
    398,212,291.76/597,532,589.40 = 383,717,993/x
  3. Step 3: Cross multiply
    398,212,291.76x = 597,532,589.40 × 383,717,993
  4. Step 4: Simplify right side
    398,212,291.76x = 229,284,005,956,661,056
  5. Step 5: Solve for x
    x = 229,284,005,956,661,056/398,212,291.76
  6. Step 6: Final answer
    x = 575,783,346.47

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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.