Home / 5,429,014,720.20-8,143,522,080.30-1,939,360,537.80

Finding the Fourth Proportional to 5,429,014,720.20, 8,143,522,080.30 and 1,939,360,537.80

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Solution

The fourth proportional to 5,429,014,720.20, 8,143,522,080.30 and 1,939,360,537.80 is: 2,909,040,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,014,720.20 : 8,143,522,080.30 = 1,939,360,537.80 : x
  2. Step 2: Convert to fraction form
    5,429,014,720.20/8,143,522,080.30 = 1,939,360,537.80/x
  3. Step 3: Cross multiply
    5,429,014,720.20x = 8,143,522,080.30 × 1,939,360,537.80
  4. Step 4: Simplify right side
    5,429,014,720.20x = 15,793,225,361,236,783,104
  5. Step 5: Solve for x
    x = 15,793,225,361,236,783,104/5,429,014,720.20
  6. Step 6: Final answer
    x = 2,909,040,806.70

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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.