Home / 2,126,208,093.40-3,189,312,140.10-1,305,659,690.20

Finding the Fourth Proportional to 2,126,208,093.40, 3,189,312,140.10 and 1,305,659,690.20

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Solution

The fourth proportional to 2,126,208,093.40, 3,189,312,140.10 and 1,305,659,690.20 is: 1,958,489,535.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,208,093.40 : 3,189,312,140.10 = 1,305,659,690.20 : x
  2. Step 2: Convert to fraction form
    2,126,208,093.40/3,189,312,140.10 = 1,305,659,690.20/x
  3. Step 3: Cross multiply
    2,126,208,093.40x = 3,189,312,140.10 × 1,305,659,690.20
  4. Step 4: Simplify right side
    2,126,208,093.40x = 4,164,156,300,794,064,896
  5. Step 5: Solve for x
    x = 4,164,156,300,794,064,896/2,126,208,093.40
  6. Step 6: Final answer
    x = 1,958,489,535.30

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1.5x scale

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.