Home / 310,717,516-465,451,797.76-154,801,289.44

Finding the Fourth Proportional to 310,717,516, 465,451,797.76 and 154,801,289.44

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Solution

The fourth proportional to 310,717,516, 465,451,797.76 and 154,801,289.44 is: 231,890,816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,717,516 : 465,451,797.76 = 154,801,289.44 : x
  2. Step 2: Convert to fraction form
    310,717,516/465,451,797.76 = 154,801,289.44/x
  3. Step 3: Cross multiply
    310,717,516x = 465,451,797.76 × 154,801,289.44
  4. Step 4: Simplify right side
    310,717,516x = 72,052,538,465,414,104
  5. Step 5: Solve for x
    x = 72,052,538,465,414,104/310,717,516
  6. Step 6: Final answer
    x = 231,890,816.43

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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.