Home / 345,203,321.61-517,801,438.87-199,544,200.86

Finding the Fourth Proportional to 345,203,321.61, 517,801,438.87 and 199,544,200.86

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Solution

The fourth proportional to 345,203,321.61, 517,801,438.87 and 199,544,200.86 is: 299,314,252.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,203,321.61 : 517,801,438.87 = 199,544,200.86 : x
  2. Step 2: Convert to fraction form
    345,203,321.61/517,801,438.87 = 199,544,200.86/x
  3. Step 3: Cross multiply
    345,203,321.61x = 517,801,438.87 × 199,544,200.86
  4. Step 4: Simplify right side
    345,203,321.61x = 103,324,274,322,973,440
  5. Step 5: Solve for x
    x = 103,324,274,322,973,440/345,203,321.61
  6. Step 6: Final answer
    x = 299,314,252.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.