Home / 1,271,856,015.20-1,907,784,022.80-996,357,000.80

Finding the Fourth Proportional to 1,271,856,015.20, 1,907,784,022.80 and 996,357,000.80

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Solution

The fourth proportional to 1,271,856,015.20, 1,907,784,022.80 and 996,357,000.80 is: 1,494,535,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,856,015.20 : 1,907,784,022.80 = 996,357,000.80 : x
  2. Step 2: Convert to fraction form
    1,271,856,015.20/1,907,784,022.80 = 996,357,000.80/x
  3. Step 3: Cross multiply
    1,271,856,015.20x = 1,907,784,022.80 × 996,357,000.80
  4. Step 4: Simplify right side
    1,271,856,015.20x = 1,900,833,967,131,166,720
  5. Step 5: Solve for x
    x = 1,900,833,967,131,166,720/1,271,856,015.20
  6. Step 6: Final answer
    x = 1,494,535,501.20

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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.