Home / 2,126,208,092.80-3,189,312,139.20-1,305,659,689.60

Finding the Fourth Proportional to 2,126,208,092.80, 3,189,312,139.20 and 1,305,659,689.60

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Solution

The fourth proportional to 2,126,208,092.80, 3,189,312,139.20 and 1,305,659,689.60 is: 1,958,489,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,208,092.80 : 3,189,312,139.20 = 1,305,659,689.60 : x
  2. Step 2: Convert to fraction form
    2,126,208,092.80/3,189,312,139.20 = 1,305,659,689.60/x
  3. Step 3: Cross multiply
    2,126,208,092.80x = 3,189,312,139.20 × 1,305,659,689.60
  4. Step 4: Simplify right side
    2,126,208,092.80x = 4,164,156,297,705,383,424
  5. Step 5: Solve for x
    x = 4,164,156,297,705,383,424/2,126,208,092.80
  6. Step 6: Final answer
    x = 1,958,489,534.40

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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.