Home / 465,437,975.40-698,100,975.90-192,780,311.40

Finding the Fourth Proportional to 465,437,975.40, 698,100,975.90 and 192,780,311.40

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Solution

The fourth proportional to 465,437,975.40, 698,100,975.90 and 192,780,311.40 is: 289,147,277.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,437,975.40 : 698,100,975.90 = 192,780,311.40 : x
  2. Step 2: Convert to fraction form
    465,437,975.40/698,100,975.90 = 192,780,311.40/x
  3. Step 3: Cross multiply
    465,437,975.40x = 698,100,975.90 × 192,780,311.40
  4. Step 4: Simplify right side
    465,437,975.40x = 134,580,123,522,645,888
  5. Step 5: Solve for x
    x = 134,580,123,522,645,888/465,437,975.40
  6. Step 6: Final answer
    x = 289,147,277.69

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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.