Home / 1,772,930,739.60-2,659,396,109.40-545,939,758.80

Finding the Fourth Proportional to 1,772,930,739.60, 2,659,396,109.40 and 545,939,758.80

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Solution

The fourth proportional to 1,772,930,739.60, 2,659,396,109.40 and 545,939,758.80 is: 818,909,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,930,739.60 : 2,659,396,109.40 = 545,939,758.80 : x
  2. Step 2: Convert to fraction form
    1,772,930,739.60/2,659,396,109.40 = 545,939,758.80/x
  3. Step 3: Cross multiply
    1,772,930,739.60x = 2,659,396,109.40 × 545,939,758.80
  4. Step 4: Simplify right side
    1,772,930,739.60x = 1,451,870,070,519,494,400
  5. Step 5: Solve for x
    x = 1,451,870,070,519,494,400/1,772,930,739.60
  6. Step 6: Final answer
    x = 818,909,638.20

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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.