Home / 1,271,808,000.20-1,907,712,000.30-1,067,734,656.20

Finding the Fourth Proportional to 1,271,808,000.20, 1,907,712,000.30 and 1,067,734,656.20

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Solution

The fourth proportional to 1,271,808,000.20, 1,907,712,000.30 and 1,067,734,656.20 is: 1,601,601,984.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,808,000.20 : 1,907,712,000.30 = 1,067,734,656.20 : x
  2. Step 2: Convert to fraction form
    1,271,808,000.20/1,907,712,000.30 = 1,067,734,656.20/x
  3. Step 3: Cross multiply
    1,271,808,000.20x = 1,907,712,000.30 × 1,067,734,656.20
  4. Step 4: Simplify right side
    1,271,808,000.20x = 2,036,930,216,768,934,912
  5. Step 5: Solve for x
    x = 2,036,930,216,768,934,912/1,271,808,000.20
  6. Step 6: Final answer
    x = 1,601,601,984.30

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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.