Home / 926,591,019.42-1,389,939,056.68-296,378,432.48

Finding the Fourth Proportional to 926,591,019.42, 1,389,939,056.68 and 296,378,432.48

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Solution

The fourth proportional to 926,591,019.42, 1,389,939,056.68 and 296,378,432.48 is: 444,584,450.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,591,019.42 : 1,389,939,056.68 = 296,378,432.48 : x
  2. Step 2: Convert to fraction form
    926,591,019.42/1,389,939,056.68 = 296,378,432.48/x
  3. Step 3: Cross multiply
    926,591,019.42x = 1,389,939,056.68 × 296,378,432.48
  4. Step 4: Simplify right side
    926,591,019.42x = 411,947,958,861,548,288
  5. Step 5: Solve for x
    x = 411,947,958,861,548,288/926,591,019.42
  6. Step 6: Final answer
    x = 444,584,450.13

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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.