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Finding the Fourth Proportional to 479,548,378.85, 719,322,568.28 and 479,548,378.85

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Solution

The fourth proportional to 479,548,378.85, 719,322,568.28 and 479,548,378.85 is: 719,322,568.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,548,378.85 : 719,322,568.28 = 479,548,378.85 : x
  2. Step 2: Convert to fraction form
    479,548,378.85/719,322,568.28 = 479,548,378.85/x
  3. Step 3: Cross multiply
    479,548,378.85x = 719,322,568.28 × 479,548,378.85
  4. Step 4: Simplify right side
    479,548,378.85x = 344,949,971,486,494,720
  5. Step 5: Solve for x
    x = 344,949,971,486,494,720/479,548,378.85
  6. Step 6: Final answer
    x = 719,322,568.28

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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.